diff --git a/actions-widget.lua b/actions-widget.lua
deleted file mode 100644
index c343720..0000000
--- a/actions-widget.lua
+++ /dev/null
@@ -1,12 +0,0 @@
--- name = "Actions"
-
-function on_resume()
-    actions_names = { "Drawer", "Search" }
-    actions = { "apps_menu", "search" }
-
-    ui:show_buttons(actions_names)
-end
-
-function on_click(idx)
-    aio:do_action(actions[idx])
-end
diff --git a/actions_test.lua b/actions_test.lua
deleted file mode 100644
index 783c135..0000000
--- a/actions_test.lua
+++ /dev/null
@@ -1,7 +0,0 @@
-function onResume()
-    ui:showButtons({ "Show drawer" })
-end
-
-function onClick()
-    aio:doAction("apps_menu")
-end
diff --git a/app_buttons_sample.lua b/app_buttons_sample.lua
deleted file mode 100644
index c2d1984..0000000
--- a/app_buttons_sample.lua
+++ /dev/null
@@ -1,11 +0,0 @@
-function on_resume()
-    apps_names = { "Telegram", "WhatsApp", "Google PLay" }
-    apps_pkgs = { "org.telegram.messenger.web", "com.whatsapp", "com.android.vending" } 
-    apps_colors = { md_colors.light_blue_500, md_colors.green_500 }
-
-    ui:show_buttons(apps_names, apps_colors)
-end
-
-function on_click(idx) 
-    system:open_app(apps_pkgs[idx])
-end
diff --git a/args-test.lua b/args-test.lua
deleted file mode 100644
index 63c7abf..0000000
--- a/args-test.lua
+++ /dev/null
@@ -1,12 +0,0 @@
--- arguments_help = "The word recorded here will be displayed on the screen."
--- arguments_default = "Word"
-
-function on_resume()
-    local args = aio:get_args()
-
-    if args == nil then
-        ui:show_text("args is empty")
-    else
-        ui:show_text("arg1: "..args[1])
-    end
-end
diff --git a/args-test2.lua b/args-test2.lua
deleted file mode 100644
index 13ab9a0..0000000
--- a/args-test2.lua
+++ /dev/null
@@ -1,13 +0,0 @@
--- arguments_help = "The word recorded here will be displayed on the screen."
--- arguments_default = "Word"
-
-function on_resume()
-    aio:set_args({"Word#1", "Word#2"})
-    local args = aio:get_args()
-
-    if args == nil then
-        ui:show_text("args is empty")
-    else
-        ui:show_text("arg1: "..args[1])
-    end
-end
diff --git a/auto-folding-test.lua b/auto-folding-test.lua
deleted file mode 100644
index 0d86df9..0000000
--- a/auto-folding-test.lua
+++ /dev/null
@@ -1,4 +0,0 @@
-function on_resume()
-    ui:set_folding_flag(true)
-    ui:show_lines({"First line", "Second line", "Third line"})
-end
diff --git a/bad-script.lua b/bad-script.lua
deleted file mode 100644
index 85cde84..0000000
--- a/bad-script.lua
+++ /dev/null
@@ -1,9 +0,0 @@
-function on_resume()
-    ui:show_text("Click to freeze launcher")
-end
-
-function on_click()
-    while true do
-        system:copy_to_clipboard("http://google.com")
-    end
-end
diff --git a/bad-script2.lua b/bad-script2.lua
deleted file mode 100644
index e38da0e..0000000
--- a/bad-script2.lua
+++ /dev/null
@@ -1,5 +0,0 @@
-function on_resume()
-    while true do
-        ui:show_text("Haha")
-    end
-end
diff --git a/bad-script3.lua b/bad-script3.lua
deleted file mode 100644
index 102216e..0000000
--- a/bad-script3.lua
+++ /dev/null
@@ -1,2 +0,0 @@
-ui:show_toast("Hello")
-
diff --git a/btc-widget.lua b/btc-widget.lua
deleted file mode 100644
index 009ecb4..0000000
--- a/btc-widget.lua
+++ /dev/null
@@ -1,16 +0,0 @@
--- name = "Bitcoin price"
--- description = "Current Bitcoin price (blockchain.info)"
--- type = "widget"
--- author = "Evgeny Zobnin (zobnin@gmail.com)"
--- version = "1.0"
-
-equals = "<font color=\""..ui:get_secondary_text_color().."\"> = </font>"
-
-function on_alarm()
-    http:get("https://api.blockchain.info/ticker") 
-end
-
-function on_network_result(result)
-    local price = ajson:get_value(result, "object object:USD string:last")
-    ui:show_text("1 BTC"..equals..price.." USD")
-end
diff --git a/buttons_with_state_sample.lua b/buttons_with_state_sample.lua
deleted file mode 100644
index 858858a..0000000
--- a/buttons_with_state_sample.lua
+++ /dev/null
@@ -1,19 +0,0 @@
-buttons = { "Disabled", "Disabled", "Disabled" }
-
-function on_resume()
-    redraw()
-end
-
-function on_click(idx) 
-    if buttons[idx] == "Disabled" then
-        buttons[idx] = "Enabled"
-    else
-        buttons[idx] = "Disabled"
-    end
-
-    redraw()
-end
-
-function redraw()
-    ui:show_buttons(buttons)
-end
diff --git a/checkbox-dialog-sample.lua b/checkbox-dialog-sample.lua
deleted file mode 100644
index c800cfd..0000000
--- a/checkbox-dialog-sample.lua
+++ /dev/null
@@ -1,16 +0,0 @@
-function on_resume()
-    ui:show_text("Open dialog")
-end
-
-function on_click()
-    dialog_items = { "One", "Two", "Three" }
-    ui:show_checkbox_dialog("Title", dialog_items, 2)
-end
-
-function on_dialog_action(idx)
-    if idx == -1 then
-        ui:show_toast("Dialog cancelled")
-    else
-        ui:show_toast("Checked: "..dialog_items[idx])
-    end
-end
diff --git a/clipboard-widget.lua b/clipboard-widget.lua
deleted file mode 100644
index 1fa666c..0000000
--- a/clipboard-widget.lua
+++ /dev/null
@@ -1,9 +0,0 @@
--- name = "Clipboard"
--- description = "Shows current Clipboard contents"
--- type = "widget"
--- author = "Evgeny Zobnin (zobnin@gmail.com)"
--- version = "1.0"
-
-function on_resume()
-    ui:show_text(system:get_from_clipboard())
-end
diff --git a/clock-widget.lua b/clock-widget.lua
deleted file mode 100644
index 8a12d3f..0000000
--- a/clock-widget.lua
+++ /dev/null
@@ -1,4 +0,0 @@
-function on_tick()
-    local time_str = os.date('%Y-%m-%d %H:%M:%S')
-    ui:show_text(time_str)
-end
diff --git a/coroutines-test.lua b/coroutines-test.lua
deleted file mode 100644
index a8cfeb2..0000000
--- a/coroutines-test.lua
+++ /dev/null
@@ -1,11 +0,0 @@
-local co = coroutine.create(function()
-    while true do
-        ui:show_text("Hello world!")
-        coroutine.yield()
-    end
-end)
-
-function on_resume()
-    ui:set_title(coroutine.status(co))
-    coroutine.resume(co)
-end
diff --git a/covid-widget.lua b/covid-widget.lua
deleted file mode 100644
index 58f6984..0000000
--- a/covid-widget.lua
+++ /dev/null
@@ -1,29 +0,0 @@
--- name = "Covid info"
--- description = "Cases of illness and death from covid (covid19api.com)"
--- type = "widget"
--- author = "Evgeny Zobnin (zobnin@gmail.com)"
--- version = "1.0"
-
-equals = "<font color=\""..ui:get_secondary_text_color().."\"> = </font>"
-
-function on_alarm()
-    http:get("https://api.covid19api.com/summary")
-end
-
-function on_network_result(result)
-    local new = ajson:get_value(result, "object object:Global int:NewConfirmed")
-    local total = ajson:get_value(result, "object object:Global int:TotalConfirmed")
-    local newDeaths = ajson:get_value(result, "object object:Global int:NewDeaths")
-    local totalDeaths = ajson:get_value(result, "object object:Global int:TotalDeaths")
-    
-    ui:show_lines({
-        "<b>Disease</b> | total"..equals..comma_value(total).." | new"..equals..comma_value(new),
-        "<b>Deaths</b> | total"..equals..comma_value(totalDeaths).." | new"..equals..comma_value(newDeaths)
-    })
-end
-
-function comma_value(n) -- credit http://richard.warburton.it
-	local left,num,right = string.match(n,'^([^%d]*%d)(%d*)(.-)$')
-	return left..(num:reverse():gsub('(%d%d%d)','%1,'):reverse())..right
-end
-
diff --git a/currencies-ru-widget.lua b/currencies-ru-widget.lua
deleted file mode 100644
index de199c5..0000000
--- a/currencies-ru-widget.lua
+++ /dev/null
@@ -1,60 +0,0 @@
--- name = "Курсы валют"
--- description = "Виджет курсов валют. Нажмите на дату чтобы изменить ее."
--- dataSource = "https://github.com/fawazahmed0/currency-api#readme"
--- type = "widget"
--- author = "Andrey Gavrilov"
--- version = "1.0"
--- argumentsHelp = "Введите список валютных пар в формате usd:rub btc:usd"
--- argumentsDefault = "usd:rub eur:rub"
-
-sx = require 'pl.stringx'
-
-function on_alarm()
-    curs = aio:get_args()
-
-    if curs == nil then
-        curs = {"usd:rub", "eur:rub"}
-    end
-
-    get_rates("latest")
-end
-
-function get_rates(loc_date)
-    http:get("https://cdn.jsdelivr.net/gh/fawazahmed0/currency-api@1/"..loc_date.."/currencies/usd.json")
-end
-
-function on_network_result(result)
-    local textColor = ui:get_secondary_text_color()
-    local dat = ajson:get_value(result, "object string:date")
-    local tab = {}
-
-    table.insert(tab, "<font color=\""..textColor.."\">"..sx.replace(dat, "-", ".").."</font>")
-
-    for idx = 1, #curs, 1 do
-        local equals = "<font color=\""..textColor.."\"> = </font>"
-        local cur = sx.split(curs[idx], ":")
-        local cur1 = cur[1]
-        local cur2 = cur[2]
-        local rate1 = ajson:get_value(result, "object object:usd double:"..cur1)
-        local rate2 = ajson:get_value(result, "object object:usd double:"..cur2)
-        local rate = math.floor(rate2/rate1*10000+0.5)/10000
-        table.insert(tab, "1 "..string.upper(cur1)..equals..rate.." "..string.upper(cur2))
-    end
-
-    ui:show_lines(tab)
-end
-
-function on_click(idx)
-    if idx == 1 then
-        ui:show_edit_dialog("Введите дату курсов", "Введите дату курсов в формате 2020.12.31. Пустое значение - текущая дата.")
-    end
-end
-
-function on_dialog_action(date)
-    if date == "" then
-        date = "latest"
-    end
-
-    get_rates(sx.replace(date, ".", "-"))
-end
-
diff --git a/currencies-widget.lua b/currencies-widget.lua
deleted file mode 100644
index ae89688..0000000
--- a/currencies-widget.lua
+++ /dev/null
@@ -1,105 +0,0 @@
--- name = "Курсы валют"
--- description = "Виджет курсов валют. Нажмите на дату чтобы изменить ее."
--- data_source = "https://github.com/fawazahmed0/currency-api#readme"
--- type = "widget"
--- author = "Andrey Gavrilov"
--- version = "1.0"
--- arguments_help = "Введите список валютных пар в формате usd:rub btc:usd"
--- arguments_default = "usd:rub eur:rub"
-
-json = require "json"
-
--- constants
-local red_color = "#f44336"
-local green_color = "#48ad47"
-local text_color = ui:get_secondary_text_color()
-local equals = "<font color=\""..text_color.."\"> = </font>"
-
--- global vars
-local result_curr = ""
-local tabl = {}
-
-function on_resume()
-    ui:set_folding_flag(true)
-    ui:show_lines(tabl)
-end
-
-function on_alarm()
-    get_rates("latest", "curr")
-end
-
-function get_rates(loc_date,id)
-    http:get("https://cdn.jsdelivr.net/gh/fawazahmed0/currency-api@1/"..loc_date.."/currencies/usd.json",id)
-end
-
-function on_network_result_curr(result)
-   result_curr = result
-   
-   local t = json.decode(result)
-   local dat = t.date
-   local prev_date = prev_date(dat)
-
-   get_rates(prev_date, "prev")
-end
-
-function on_network_result_prev(result)
-    tabl = create_tab(result)
-    ui:show_lines(tabl)
-end
-
-function on_click(idx)
-    ui:show_edit_dialog("Введите дату курсов", "Введите дату курсов в формате 2020.12.31. Пустое значение - текущая дата.")
-end
-
-function on_dialog_action(dat)
-    if dat == "" then dat = "latest" end
-    get_rates(dat:gsub(".", "-"), "curr")
-end
-
-function prev_date(dat)
-    local prev_date = dat:split("-")
-    local prev_time = os.time{year=prev_date[1], month=prev_date[2], day=prev_date[3]} - (60*60*24)
-    return os.date("%Y-%m-%d", prev_time)
-end
-
-function create_tab(result)
-    local curs = aio:get_args()
-    local tab = {}
-    local t_c = json.decode(result_curr)
-    local t_p = json.decode(result)
-   
-    -- set title
-    local dat = t_c.date
-    ui:set_title(ui:get_default_title().." "..dat:gsub("-", "."))
-
-    for idx = 1, #curs, 1 do 
-        local cur = curs[idx]:split(":")
-        
-        local rate_curr1 = t_c.usd[cur[1]]
-        local rate_curr2 = t_c.usd[cur[2]]
-        local rate_prev1 = t_p.usd[cur[1]]
-        local rate_prev2 = t_p.usd[cur[2]]
-
-        local rate_curr = round(rate_curr2/rate_curr1, 4)
-        local rate_prev = round(rate_prev2/rate_prev1, 4)
-        local change = round((rate_curr-rate_prev)/rate_prev*100,2)
-
-        local line = "1 "..string.upper(cur[1])..equals..rate_curr.." "..string.upper(cur[2])
-        line = line..get_formatted_change_text(change)
-
-        table.insert(tab, line)
-    end
-    return tab
-end
-
--- utils --
-
-function get_formatted_change_text(change)
-    if change > 0 then
-        return "<font color=\""..green_color.."\"><small> +"..change.."%</small></font>"
-    elseif change < 0 then
-        return "<font color=\""..red_color.."\"><small> "..change.."%</small></font>"
-    else
-        return "<font color=\""..text_color.."\"><small> "..change.."%</small></font>"
-    end
-end
diff --git a/dialog_sample.lua b/dialog_sample.lua
deleted file mode 100644
index 716cbd5..0000000
--- a/dialog_sample.lua
+++ /dev/null
@@ -1,27 +0,0 @@
-function on_resume()
-    ui:show_lines({ 
-        "Click to open dialog", 
-        "Click to open dialog with custom buttons",
-        "Click to open edit dialog",
-    })
-end
-
-function on_click(idx)
-    if idx == 1 then
-        ui:show_dialog("Dialog title", "This is dialog")
-    elseif idx == 2 then
-        ui:show_dialog("Dialog title", "This is dialog", "Button 1", "Button 2")
-    elseif idx == 3 then
-        ui:show_edit_dialog("Dialog title", "Write any text", "default text")
-    end
-end
-
-function on_dialog_action(value)
-    if value == 1 then
-        ui:show_toast("Button 1 clicked!")
-    elseif value == 2 then
-        ui:show_toast("Button 2 clicked!")
-    elseif type(value) == "string" then
-        ui:show_toast("Text: "..value)
-    end
-end
diff --git a/error-script.lua b/error-script.lua
deleted file mode 100644
index acfcf95..0000000
--- a/error-script.lua
+++ /dev/null
@@ -1,3 +0,0 @@
-function onTick()
-    local aaa = bbb
-end
diff --git a/github_trending-widget.lua b/github_trending-widget.lua
deleted file mode 100644
index 5be2d5f..0000000
--- a/github_trending-widget.lua
+++ /dev/null
@@ -1,35 +0,0 @@
--- name = "GitHub Trending"
--- description = "GitHub trending repositories (trending-github.com)"
--- type = "widget"
--- author = "Evgeny Zobnin (zobnin@gmail.com)"
--- version = "1.0"
-
-function on_alarm()
-    http:get("https://api.trending-github.com/github/repositories") 
-end
-
-function on_network_result(result)
-    local names = {
-        ajson:get_value(result, "array object:0 string:name"),
-        ajson:get_value(result, "array object:1 string:name"),
-        ajson:get_value(result, "array object:2 string:name"),
-    }
-    
-    local descriptions = {
-        ajson:get_value(result, "array object:0 string:description"),
-        ajson:get_value(result, "array object:1 string:description"),
-        ajson:get_value(result, "array object:2 string:description"),
-    }
-    
-    urls = {
-        ajson:get_value(result, "array object:0 string:url"),
-        ajson:get_value(result, "array object:1 string:url"),
-        ajson:get_value(result, "array object:2 string:url"),
-    }
-
-    ui:show_lines(names, descriptions)
-end
-
-function on_click(idx)
-    system:open_browser(urls[idx])
-end
diff --git a/hello_world-widget.lua b/hello_world-widget.lua
deleted file mode 100644
index 7a05f9b..0000000
--- a/hello_world-widget.lua
+++ /dev/null
@@ -1,3 +0,0 @@
-function on_resume()
-    ui:show_text("Hello world!")
-end
diff --git a/holydays-ru-widget.lua b/holydays-ru-widget.lua
deleted file mode 100644
index eda6870..0000000
--- a/holydays-ru-widget.lua
+++ /dev/null
@@ -1,38 +0,0 @@
--- name = "Праздники"
--- description = "Виджет отображает предстоящие праздники."
--- data_source = "https://date.nager.at/"
--- type = "widget"
--- author = "Andrey Gavrilov"
--- version = "1.0"
-
---API--
-local api_url = "https://date.nager.at/api/v3/NextPublicHolidays/RU"
-
---Настройка автосворачивания виджета--
-local auto_folding = false
-
-local lines = {}
-
-local json = require "json"
-local sx = require "pl.stringx"
-
-function on_resume()
-    if auto_folding then
-        ui:set_folding_flag(true)
-        ui:show_lines(lines)
-	end
-end
-
-function on_alarm()
-    http:get(api_url)
-end
-
-function on_network_result(result)
-    local t = json.decode(result)
-    for i = 1, #t, 1 do
-	    local date = sx.replace(t[i].date, "-", ".")
-		local name = t[i].localName
-		lines[i] = date.." - "..name
-    end
-    ui:show_lines(lines)
-end
diff --git a/html_test.lua b/html_test.lua
deleted file mode 100644
index cb10a26..0000000
--- a/html_test.lua
+++ /dev/null
@@ -1,3 +0,0 @@
-function on_resume()
-    ui:show_lines({ "This is <b>bold</b> text" })
-end
diff --git a/icndb-widget.lua b/icndb-widget.lua
deleted file mode 100644
index daa3f16..0000000
--- a/icndb-widget.lua
+++ /dev/null
@@ -1,14 +0,0 @@
--- name = "Chuck Norris jokes"
--- description = "icndb.com"
--- type = "widget"
--- author = "Evgeny Zobnin (zobnin@gmail.com)"
--- version = "1.0"
-
-function on_alarm()
-    http:get("http://api.icndb.com/jokes/random") 
-end
-
-function on_network_result(result)
-    local joke = ajson:get_value(result, "object object:value string:joke")
-    ui:show_text(joke)
-end
diff --git a/inspiration_quotes-widget.lua b/inspiration_quotes-widget.lua
deleted file mode 100644
index 7994f51..0000000
--- a/inspiration_quotes-widget.lua
+++ /dev/null
@@ -1,16 +0,0 @@
--- name = "Inspiration quotes"
--- description = "inspiration.goprogram.ai"
--- type = "widget"
--- author = "Evgeny Zobnin (zobnin@gmail.com)"
--- version = "1.0"
-
-function on_alarm()
-    http:get("https://inspiration.goprogram.ai/")
-end
-
-function on_network_result(result)
-    local quote = ajson:get_value(result, "object string:quote")
-    local author = ajson:get_value(result, "object string:author")
-
-    ui:show_lines({ quote }, { author })
-end
diff --git a/ip-location-widget.lua b/ip-location-widget.lua
deleted file mode 100644
index 9a7a245..0000000
--- a/ip-location-widget.lua
+++ /dev/null
@@ -1,20 +0,0 @@
-ip_service_url = "https://freegeoip.app/json/"
-addr_service_url = "https://nominatim.openstreetmap.org/reverse?format=json"
-
-function on_alarm()
-    http:get(ip_service_url, "ip") 
-end
-
-function on_network_result_ip(result)
-    local location = { 
-        ajson:get_value(result, "object string:latitude"),
-        ajson:get_value(result, "object string:longitude")
-    }
-    http:get(addr_service_url.."&lat="..location[1].."&lon=".. location[2].."&addressdetails=1", "addr")
-end
-
-function on_network_result_addr(result)
-    local adr = ajson:get_value(result, "object string:display_name")
-    ui:show_text(adr)
-end
-
diff --git a/is_widget_added_sample.lua b/is_widget_added_sample.lua
deleted file mode 100644
index c01bed4..0000000
--- a/is_widget_added_sample.lua
+++ /dev/null
@@ -1,3 +0,0 @@
-function on_resume()
-    ui:show_text("Mail widget on the screen: " .. tostring(aio:is_widget_added("mail")))
-end
diff --git a/isdayoff-ru-widget.lua b/isdayoff-ru-widget.lua
deleted file mode 100644
index bb5e5c6..0000000
--- a/isdayoff-ru-widget.lua
+++ /dev/null
@@ -1,20 +0,0 @@
--- name = "Сегодня выходной?"
--- description = "Показывает, выходной ли сегодня день (isdayoff.ru)"
--- type = "widget"
--- author = "Evgeny Zobnin (zobnin@gmail.com)"
--- version = "1.0"
-
-function on_alarm()
-    local dateStr = os.date('%Y%m%d') 
-    http:get("https://isdayoff.ru/"..dateStr) 
-end
-
-function on_network_result(result)
-    if result == "0" then
-        ui:show_text("Сегодня рабочий день")
-    elseif result == "1" then
-        ui:show_text("Сегодня выходной")
-    else
-        ui:show_text("Ошибка")
-    end
-end
diff --git a/json-test.lua b/json-test.lua
deleted file mode 100644
index 85d5b8e..0000000
--- a/json-test.lua
+++ /dev/null
@@ -1,6 +0,0 @@
-json = require "json"
-
-function on_resume()
-    local t = json.decode('[1,2,3,{"x":10}]')
-    ui:show_text(t[4].x)
-end
diff --git a/location-widget.lua b/location-widget.lua
deleted file mode 100644
index c10a4b2..0000000
--- a/location-widget.lua
+++ /dev/null
@@ -1,4 +0,0 @@
-function on_resume()
-    local location = system:get_location()
-    ui:show_text(location[1].." "..location[2])
-end
diff --git a/md_colors.lua b/md_colors.lua
deleted file mode 100644
index 44a59f0..0000000
--- a/md_colors.lua
+++ /dev/null
@@ -1,295 +0,0 @@
-md_colors = {
-    -- reds
-    red_50="#FFEBEE",
-    red_100="#FFCDD2",
-    red_200="#EF9A9A",
-    red_300="#E57373",
-    red_400="#EF5350",
-    red_500="#F44336",
-    red_600="#E53935",
-    red_700="#D32F2F",
-    red_800="#C62828",
-    red_900="#B71C1C",
-    red_A100="#FF8A80",
-    red_A200="#FF5252",
-    red_A400="#FF1744",
-    red_A700="#D50000",
-
-    -- pinks
-    pink_50="#FCE4EC",
-    pink_100="#F8BBD0",
-    pink_200="#F48FB1",
-    pink_300="#F06292",
-    pink_400="#EC407A",
-    pink_500="#E91E63",
-    pink_600="#D81B60",
-    pink_700="#C2185B",
-    pink_800="#AD1457",
-    pink_900="#880E4F",
-    pink_A100="#FF80AB",
-    pink_A200="#FF4081",
-    pink_A400="#F50057",
-    pink_A700="#C51162",
-
-    -- purples
-    purple_50="#F3E5F5",
-    purple_100="#E1BEE7",
-    purple_200="#CE93D8",
-    purple_300="#BA68C8",
-    purple_400="#AB47BC",
-    purple_500="#9C27B0",
-    purple_600="#8E24AA",
-    purple_700="#7B1FA2",
-    purple_800="#6A1B9A",
-    purple_900="#4A148C",
-    purple_A100="#EA80FC",
-    purple_A200="#E040FB",
-    purple_A400="#D500F9",
-    purple_A700="#AA00FF",
-
-    -- deep purples
-    deep_purple_50="#EDE7F6",
-    deep_purple_100="#D1C4E9",
-    deep_purple_200="#B39DDB",
-    deep_purple_300="#9575CD",
-    deep_purple_400="#7E57C2",
-    deep_purple_500="#673AB7",
-    deep_purple_600="#5E35B1",
-    deep_purple_700="#512DA8",
-    deep_purple_800="#4527A0",
-    deep_purple_900="#311B92",
-    deep_purple_A100="#B388FF",
-    deep_purple_A200="#7C4DFF",
-    deep_purple_A400="#651FFF",
-    deep_purple_A700="#6200EA",
-
-    -- indigo
-    indigo_50="#E8EAF6",
-    indigo_100="#C5CAE9",
-    indigo_200="#9FA8DA",
-    indigo_300="#7986CB",
-    indigo_400="#5C6BC0",
-    indigo_500="#3F51B5",
-    indigo_600="#3949AB",
-    indigo_700="#303F9F",
-    indigo_800="#283593",
-    indigo_900="#1A237E",
-    indigo_A100="#8C9EFF",
-    indigo_A200="#536DFE",
-    indigo_A400="#3D5AFE",
-    indigo_A700="#304FFE",
-
-    -- blue
-    blue_50="#E3F2FD",
-    blue_100="#BBDEFB",
-    blue_200="#90CAF9",
-    blue_300="#64B5F6",
-    blue_400="#42A5F5",
-    blue_500="#2196F3",
-    blue_600="#1E88E5",
-    blue_700="#1976D2",
-    blue_800="#1565C0",
-    blue_900="#0D47A1",
-    blue_A100="#82B1FF",
-    blue_A200="#448AFF",
-    blue_A400="#2979FF",
-    blue_A700="#2962FF",
-
-    -- light blue
-    light_blue_50="#E1F5FE",
-    light_blue_100="#B3E5FC",
-    light_blue_200="#81D4fA",
-    light_blue_300="#4fC3F7",
-    light_blue_400="#29B6FC",
-    light_blue_500="#03A9F4",
-    light_blue_600="#039BE5",
-    light_blue_700="#0288D1",
-    light_blue_800="#0277BD",
-    light_blue_900="#01579B",
-    light_blue_A100="#80D8FF",
-    light_blue_A200="#40C4FF",
-    light_blue_A400="#00B0FF",
-    light_blue_A700="#0091EA",
-
-    -- cyan
-    cyan_50="#E0F7FA",
-    cyan_100="#B2EBF2",
-    cyan_200="#80DEEA",
-    cyan_300="#4DD0E1",
-    cyan_400="#26C6DA",
-    cyan_500="#00BCD4",
-    cyan_600="#00ACC1",
-    cyan_700="#0097A7",
-    cyan_800="#00838F",
-    cyan_900="#006064",
-    cyan_A100="#84FFFF",
-    cyan_A200="#18FFFF",
-    cyan_A400="#00E5FF",
-    cyan_A700="#00B8D4",
-
-    -- teal
-    teal_50="#E0F2F1",
-    teal_100="#B2DFDB",
-    teal_200="#80CBC4",
-    teal_300="#4DB6AC",
-    teal_400="#26A69A",
-    teal_500="#009688",
-    teal_600="#00897B",
-    teal_700="#00796B",
-    teal_800="#00695C",
-    teal_900="#004D40",
-    teal_A100="#A7FFEB",
-    teal_A200="#64FFDA",
-    teal_A400="#1DE9B6",
-    teal_A700="#00BFA5",
-
-    -- green
-    green_50="#E8F5E9",
-    green_100="#C8E6C9",
-    green_200="#A5D6A7",
-    green_300="#81C784",
-    green_400="#66BB6A",
-    green_500="#4CAF50",
-    green_600="#43A047",
-    green_700="#388E3C",
-    green_800="#2E7D32",
-    green_900="#1B5E20",
-    green_A100="#B9F6CA",
-    green_A200="#69F0AE",
-    green_A400="#00E676",
-    green_A700="#00C853",
-
-    --light green
-    light_green_50="#F1F8E9",
-    light_green_100="#DCEDC8",
-    light_green_200="#C5E1A5",
-    light_green_300="#AED581",
-    light_green_400="#9CCC65",
-    light_green_500="#8BC34A",
-    light_green_600="#7CB342",
-    light_green_700="#689F38",
-    light_green_800="#558B2F",
-    light_green_900="#33691E",
-    light_green_A100="#CCFF90",
-    light_green_A200="#B2FF59",
-    light_green_A400="#76FF03",
-    light_green_A700="#64DD17",
-
-    -- lime
-    lime_50="#F9FBE7",
-    lime_100="#F0F4C3",
-    lime_200="#E6EE9C",
-    lime_300="#DCE775",
-    lime_400="#D4E157",
-    lime_500="#CDDC39",
-    lime_600="#C0CA33",
-    lime_700="#A4B42B",
-    lime_800="#9E9D24",
-    lime_900="#827717",
-    lime_A100="#F4FF81",
-    lime_A200="#EEFF41",
-    lime_A400="#C6FF00",
-    lime_A700="#AEEA00",
-
-    --yellow 
-    yellow_50="#FFFDE7",
-    yellow_100="#FFF9C4",
-    yellow_200="#FFF590",
-    yellow_300="#FFF176",
-    yellow_400="#FFEE58",
-    yellow_500="#FFEB3B",
-    yellow_600="#FDD835",
-    yellow_700="#FBC02D",
-    yellow_800="#F9A825",
-    yellow_900="#F57F17",
-    yellow_A100="#FFFF82",
-    yellow_A200="#FFFF00",
-    yellow_A400="#FFEA00",
-    yellow_A700="#FFD600",
-
-    --amber
-    amber_50="#FFF8E1",
-    amber_100="#FFECB3",
-    amber_200="#FFE082",
-    amber_300="#FFD54F",
-    amber_400="#FFCA28",
-    amber_500="#FFC107",
-    amber_600="#FFB300",
-    amber_700="#FFA000",
-    amber_800="#FF8F00",
-    amber_900="#FF6F00",
-    amber_A100="#FFE57F",
-    amber_A200="#FFD740",
-    amber_A400="#FFC400",
-    amber_A700="#FFAB00",
-
-    --orange
-    orange_50="#FFF3E0",
-    orange_100="#FFE0B2",
-    orange_200="#FFCC80",
-    orange_300="#FFB74D",
-    orange_400="#FFA726",
-    orange_500="#FF9800",
-    orange_600="#FB8C00",
-    orange_700="#F57C00",
-    orange_800="#EF6C00",
-    orange_900="#E65100",
-    orange_A100="#FFD180",
-    orange_A200="#FFAB40",
-    orange_A400="#FF9100",
-    orange_A700="#FF6D00",
-
-    --deep orange
-    deep_orange_50="#FBE9A7",
-    deep_orange_100="#FFCCBC",
-    deep_orange_200="#FFAB91",
-    deep_orange_300="#FF8A65",
-    deep_orange_400="#FF7043",
-    deep_orange_500="#FF5722",
-    deep_orange_600="#F4511E",
-    deep_orange_700="#E64A19",
-    deep_orange_800="#D84315",
-    deep_orange_900="#BF360C",
-    deep_orange_A100="#FF9E80",
-    deep_orange_A200="#FF6E40",
-    deep_orange_A400="#FF3D00",
-    deep_orange_A700="#DD2600",
-
-    --brown 
-    brown_50="#EFEBE9",
-    brown_100="#D7CCC8",
-    brown_200="#BCAAA4",
-    brown_300="#A1887F",
-    brown_400="#8D6E63",
-    brown_500="#795548",
-    brown_600="#6D4C41",
-    brown_700="#5D4037",
-    brown_800="#4E342E",
-    brown_900="#3E2723",
-
-    --grey
-    grey_50="#FAFAFA",
-    grey_100="#F5F5F5",
-    grey_200="#EEEEEE",
-    grey_300="#E0E0E0",
-    grey_400="#BDBDBD",
-    grey_500="#9E9E9E",
-    grey_600="#757575",
-    grey_700="#616161",
-    grey_800="#424242",
-    grey_900="#212121",
-    black_1000="#000000",
-    white_1000="#ffffff",
-
-    --blue grey
-    blue_grey_50="#ECEFF1",
-    blue_grey_100="#CFD8DC",
-    blue_grey_200="#B0BBC5",
-    blue_grey_300="#90A4AE",
-    blue_grey_400="#78909C",
-    blue_grey_500="#607D8B",
-    blue_grey_600="#546E7A",
-    blue_grey_700="#455A64",
-    blue_grey_800="#37474F",
-    blue_grey_900="#263238",
-}
diff --git a/pl-tests.lua b/pl-tests.lua
deleted file mode 100644
index 6f59ed6..0000000
--- a/pl-tests.lua
+++ /dev/null
@@ -1,7 +0,0 @@
-sx = require 'pl.stringx'
-
-function on_resume()
-    local string = "String with spaces"
-    local s_list = sx.split(string, " ")
-    ui:show_text(s_list[3])
-end
diff --git a/place-widget.lua b/place-widget.lua
deleted file mode 100644
index aecc0a4..0000000
--- a/place-widget.lua
+++ /dev/null
@@ -1,9 +0,0 @@
-function on_alarm()
-    local location = system:get_location()
-    http:get("https://nominatim.openstreetmap.org/reverse?format=json&lat=".. location[1].."&lon=".. location[2].."&addressdetails=1")
-end
-
-function on_network_result(result)
-    local adr = ajson:get_value(result, "object string:display_name")
-    ui:show_text(adr)
-end
diff --git a/print-error.lua b/print-error.lua
deleted file mode 100644
index 5a84de9..0000000
--- a/print-error.lua
+++ /dev/null
@@ -1,5 +0,0 @@
-function print_hello()
-    print("HELLO")
-end
-
-print_hello()
diff --git a/public_ip-widget.lua b/public_ip-widget.lua
deleted file mode 100644
index 1cc30fb..0000000
--- a/public_ip-widget.lua
+++ /dev/null
@@ -1,13 +0,0 @@
--- name = "Public IP"
--- description = "Shows your public IP (ipify.org)"
--- type = "widget"
--- author = "Evgeny Zobnin (zobnin@gmail.com)"
--- version = "1.0"
-
-function on_alarm()
-    http:get("https://api.ipify.org") 
-end
-
-function on_network_result(result)
-    ui:show_text(result)
-end
diff --git a/quotes-ru-widget.lua b/quotes-ru-widget.lua
deleted file mode 100644
index 403a79d..0000000
--- a/quotes-ru-widget.lua
+++ /dev/null
@@ -1,16 +0,0 @@
--- name = "Цитаты великих"
--- description = "Рандомные цитаты на русском (forismatic.com)"
--- type = "widget"
--- author = "Evgeny Zobnin (zobnin@gmail.com)"
--- version = "1.0"
-
-function on_alarm()
-    http:get("http://api.forismatic.com/api/1.0/?method=getQuote&format=json&lang=ru")
-end
-
-function on_network_result(result)
-    local quote = ajson:get_value(result, "object string:quoteText")
-    local author = ajson:get_value(result, "object string:quoteAuthor")
-
-    ui:show_lines({ quote }, { author })
-end
diff --git a/quotes-widget.lua b/quotes-widget.lua
deleted file mode 100644
index 6f291b2..0000000
--- a/quotes-widget.lua
+++ /dev/null
@@ -1,16 +0,0 @@
--- name = "Random quotes"
--- description = "quotable.io"
--- type = "widget"
--- author = "Evgeny Zobnin (zobnin@gmail.com)"
--- version = "1.0"
-
-function on_alarm()
-    http:get("https://api.quotable.io/random")
-end
-
-function on_network_result(result)
-    local quote = ajson:get_value(result, "object string:content")
-    local author = ajson:get_value(result, "object string:author")
-
-    ui:show_lines({ quote }, { author })
-end
diff --git a/random-joke-widget.lua b/random-joke-widget.lua
deleted file mode 100644
index aee1264..0000000
--- a/random-joke-widget.lua
+++ /dev/null
@@ -1,15 +0,0 @@
--- name = "Random jokes"
--- description = "official-joke-api.appspot.com"
--- type = "widget"
--- author = "Evgeny Zobnin (zobnin@gmail.com)"
--- version = "1.0"
-
-function on_alarm()
-    http:get("https://official-joke-api.appspot.com/random_joke") 
-end
-
-function on_network_result(result)
-    local setup = ajson:get_value(result, "object string:setup")
-    local punchline = ajson:get_value(result, "object string:punchline")
-    ui:show_lines({setup, punchline})
-end
diff --git a/rss-widget.lua b/rss-widget.lua
deleted file mode 100644
index c01a7b0..0000000
--- a/rss-widget.lua
+++ /dev/null
@@ -1,54 +0,0 @@
--- name = "News"
--- description = "Simple RSS news widget"
--- data_source = "https://rss-to-json-serverless-api.vercel.app/"
--- type = "widget"
--- author = "Andrey Gavrilov"
--- version = "1.0"
-
--- settings
-local feed = "https://news.yandex.ru/index.rss"
-local lines_num = 5
-local auto_folding = false
-
-local api_url = "https://rss-to-json-serverless-api.vercel.app/api?feedURL="
-local titles = {}
-local descs = {}
-local urls = {}
-local times = {}
-local url = ""
-
-local json = require "json"
-
-function on_resume()
-    if auto_folding then
-        ui:set_folding_flag(true)
-        ui:show_lines(titles)
-    end
-end
-
-function on_alarm()
-    http:get(api_url..feed)
-end
-
-function on_network_result(result)
-    local t = json.decode(result)
-    local n = math.min(lines_num, #t.items)
-    for i = 1, n, 1 do
-        titles[i] = t.items[i].title
-        descs[i] = t.items[i].description
-        urls[i] = t.items[i].url
-        times[i] = os.date("%d.%m.%Y, %H:%M",t.items[i].created/1000)
-    end
-    ui:show_lines(titles)
-end
-
-function on_click(i)
-    url = urls[i]
-    ui:show_dialog(titles[i].." | "..times[i], descs[i], "open in browser")
-end
-
-function on_dialog_action(i)
-    if i == 1 then
-        system:open_browser(url)
-    end
-end
diff --git a/shell-widget.lua b/shell-widget.lua
deleted file mode 100644
index d4cd858..0000000
--- a/shell-widget.lua
+++ /dev/null
@@ -1,29 +0,0 @@
--- name = "Shell widget"
--- description = "Shows the result of executing console commands"
--- type = "widget"
--- author = "Evgeny Zobnin (zobnin@gmail.com)"
--- version = "1.0"
-
-current_output = "Click to enter command"
-
-function on_resume()
-    redraw()
-end
-
-function redraw()
-    ui:show_text(current_output)
-end
-
-function on_click(idx)
-    ui:show_edit_dialog("Enter command")
-end
-
-function on_dialog_action(text)
-    system:exec(text)
-end
-
-function on_shell_result(text)
-    current_output = text
-    redraw()
-end
-
diff --git a/test-return-code.lua b/test-return-code.lua
deleted file mode 100644
index fec8ed4..0000000
--- a/test-return-code.lua
+++ /dev/null
@@ -1,7 +0,0 @@
-function on_resume()
-    http:get("https://google.com")
-end
-
-function on_network_result(body, code)
-    ui:show_text(code)
-end
diff --git a/title-sample.lua b/title-sample.lua
deleted file mode 100644
index 8db6efa..0000000
--- a/title-sample.lua
+++ /dev/null
@@ -1,4 +0,0 @@
-function on_resume()
-    ui:set_title("New title")
-    ui:show_text("Original title: "..ui:get_default_title())
-end
diff --git a/utils-sample.lua b/utils-sample.lua
deleted file mode 100644
index c11e484..0000000
--- a/utils-sample.lua
+++ /dev/null
@@ -1,5 +0,0 @@
-function on_resume()
-    local str = "one two three"
-    local tab = str:split(" ")
-    ui:show_text(tab[2])
-end
diff --git a/widget_add_remove_sample.lua b/widget_add_remove_sample.lua
deleted file mode 100644
index e56921c..0000000
--- a/widget_add_remove_sample.lua
+++ /dev/null
@@ -1,11 +0,0 @@
-function on_resume()
-    ui:show_buttons({ "Add clock widget", "Remove clock widget" })
-end
-
-function on_click(idx)
-    if idx == 1 then
-        aio:add_widget("clock")
-    else
-        aio:remove_widget("clock")
-    end
-end
diff --git a/widgets-on-off.lua b/widgets-on-off.lua
deleted file mode 100644
index 88134cc..0000000
--- a/widgets-on-off.lua
+++ /dev/null
@@ -1,55 +0,0 @@
--- name = "Включение виджетов"
--- description = "Включает и отключает виджеты на экране при нажатии на кнопки"
--- type = "widget"
--- author = "Andrey Gavrilov"
--- version = "1.0"
--- arguments_help = "Введите список виджетов и кнопок в формате bitcoin:Биткойн timer:Таймер"
--- arguments_default = "bitcoin:Битк. timer:Тайм. stopwatch:Секунд. recorder:Дикт. calculator:Кальк."
-
-sx = require 'pl.stringx'
-
-function on_resume()
-    local args = get_args_kv()
-    
-    widgets = args[1]
-    buttons = args[2]
-    colors = {}
-
-    for idx,widget in ipairs(widgets) do
-        if aio:is_widget_added(widget) then
-            colors[idx] = md_colors.red_500
-        else
-            colors[idx] = md_colors.green_500
-        end
-    end
-
-    ui:show_buttons(buttons, colors)
-end
-
-function on_click(idx)
-    local widget = widgets[idx]
-    
-    if aio:is_widget_added(widget) then
-        aio:remove_widget(widget)
-        colors[idx] = md_colors.green_500
-    else
-        aio:add_widget(widget)
-        colors[idx] = md_colors.red_500
-    end
-
-    ui:show_buttons(buttons, colors)
-end
-
-function get_args_kv()
-    local keys = {}
-    local values = {}
-    local args = aio:get_args()
-    
-    for idx = 1, #args, 1 do
-        local arg = sx.split(args[idx], ":")
-        keys[idx] = arg[1]
-        values[idx] = arg[2]
-    end
-
-    return { keys, values }
-end
diff --git a/year_progress-widget.lua b/year_progress-widget.lua
deleted file mode 100644
index a22ec9c..0000000
--- a/year_progress-widget.lua
+++ /dev/null
@@ -1,12 +0,0 @@
--- name = "Year progress"
--- description = "Shows current year progress"
--- type = "widget"
--- author = "Evgeny Zobnin (zobnin@gmail.com)"
--- version = "1.0"
-
-function on_resume()
-    local year_days = 365
-    local current_day = os.date("*t").yday
-    local percent = math.floor(current_day / (year_days / 100))
-    ui:show_progress_bar("Year progress: "..percent.."%", current_day, year_days)
-end