diff --git a/main/battery-widget.lua b/main/battery-widget.lua
index 14121e4..f1b52f3 100644
--- a/main/battery-widget.lua
+++ b/main/battery-widget.lua
@@ -13,7 +13,7 @@ function on_tick()
 
     ticks = 0
 
-    local batt_info = system:get_battery_info()
+    local batt_info = system:battery_info()
     local batt_strings = stringify_table(batt_info)
     local folded_str = "Battery: "..batt_info.percent.."% | "..batt_info.temp.."° | "..batt_info.voltage.." mV"
 
diff --git a/main/calendar-search.lua b/main/calendar-search.lua
index 922da0f..24ab613 100644
--- a/main/calendar-search.lua
+++ b/main/calendar-search.lua
@@ -3,7 +3,7 @@
 -- author = "Evgeny Zobnin (zobnin@gmail.com)"
 -- type = "search"
 
-local events = calendar:get_events()
+local events = calendar:events()
 local results = {}
 
 function on_search(str)
diff --git a/main/calendar.lua b/main/calendar.lua
index 6755c74..59aaa3e 100644
--- a/main/calendar.lua
+++ b/main/calendar.lua
@@ -27,7 +27,7 @@ function on_alarm()
 	tab = get_cal(year,month)
 	line = get_line()
 	ui:show_table(table_to_tables(tab,8),0, true, line)
-	ui:set_title(ui:get_default_title().." ("..get_date(month,year)..")")
+	ui:set_title(ui:default_title().." ("..get_date(month,year)..")")
 	widget_type = "table"
 end
 
@@ -111,7 +111,7 @@ function on_dialog_action(data)
 end
 
 function get_cal(y,m)
-	local color = ui:get_colors()
+	local color = ui:colors()
 	local events = get_my_events(y,m,0)
 	local from = os.time{year=y,month=m,day=1}
 	local tab = {
@@ -146,7 +146,7 @@ function get_cal(y,m)
 end
 
 function format_day(y,m,d,events)
-	local color = ui:get_colors()
+	local color = ui:colors()
 	local from = os.time{year=y,month=m,day=d,hour=0,min=0,sec=0}
 	local to = os.time{year=y,month=m,day=d,hour=23,min=59,sec=59}
 	local yes = false
@@ -207,7 +207,7 @@ function get_my_events(y,m,d)
 	end
 	local events = {}
     if next(settings:get()) then
-	    events = calendar:get_events(from,to,settings:get())
+	    events = calendar:events(from,to,settings:get())
 	end
 	for i=1,#events do
 		local v = events[i]
@@ -227,7 +227,7 @@ function get_line()
 	local date = os.date("*t")
 	local from = os.time{year=date.year,month=date.month,day=date.day,hour=0,min=0,sec=0}
 	local to = os.time{year=date.year,month=date.month,day=date.day,hour=23,min=59,sec=59}
-	local events = calendar:get_events(from,to,settings:get())
+	local events = calendar:events(from,to,settings:get())
 	if next(events) == nil then
 		line = "No events today"
 	else
@@ -237,7 +237,7 @@ function get_line()
 end
 
 function get_my_calendar(id)
-	local cals = calendar:get_calendars()
+	local cals = calendar:calendars()
 	for i=1,#cals do
 		local v = cals[i]
 		if id == v.id then
@@ -256,7 +256,7 @@ function get_day_tab(events)
 end
 
 function get_lines(events)
-	local color = ui:get_colors()
+	local color = ui:colors()
 	local lines = {}
 	for i,v in ipairs(events) do
 		table.insert(lines,"<font color = \""..v[9].."\">•</font>")
@@ -280,7 +280,7 @@ function get_lines(events)
 end
 
 function get_all_cals()
-	local cals = calendar:get_calendars()
+	local cals = calendar:calendars()
 	local idx = {}
 	local id = {}
 	local name = {}
@@ -295,7 +295,7 @@ function get_all_cals()
 end
 
 function id_to_cal_id(ids)
-	local cals = calendar:get_calendars()
+	local cals = calendar:calendars()
 	local tab = {}
 	for i,v in ipairs(ids) do
 		table.insert(tab,cals[v].id)
@@ -304,7 +304,7 @@ function id_to_cal_id(ids)
 end
 
 function cal_id_to_id(cal_ids)
-	local cals = calendar:get_calendars()
+	local cals = calendar:calendars()
 	local tab = {}
 	for i,v in ipairs(cal_ids) do
 		for ii,vv in ipairs(cals) do
diff --git a/main/covid-widget.lua b/main/covid-widget.lua
index f9321bf..626e57f 100644
--- a/main/covid-widget.lua
+++ b/main/covid-widget.lua
@@ -5,7 +5,7 @@
 -- author = "Evgeny Zobnin (zobnin@gmail.com)"
 -- version = "1.0"
 
-equals = "<font color=\""..ui:get_colors().secondary_text.."\"> = </font>"
+equals = "<font color=\""..ui:colors().secondary_text.."\"> = </font>"
 
 function on_alarm()
     http:get("https://api.covid19api.com/summary")
diff --git a/main/quotes-widget.lua b/main/quotes-widget.lua
index 3d1c2d6..6a2bd81 100644
--- a/main/quotes-widget.lua
+++ b/main/quotes-widget.lua
@@ -19,6 +19,6 @@ end
 
 function on_click()
     if quote ~= nil then
-        system:copy_to_clipboard(quote)
+        system:to_clipboard(quote)
     end
 end
diff --git a/main/sys-info-widget.lua b/main/sys-info-widget.lua
index 813c9ad..4054717 100644
--- a/main/sys-info-widget.lua
+++ b/main/sys-info-widget.lua
@@ -15,7 +15,7 @@ function on_tick()
 
     ticks = 0
 
-    local info = system:get_system_info()
+    local info = system:system_info()
     local strings = stringify_table(info)
 
     ui:show_lines(strings)
diff --git a/main/unit-converter.lua b/main/unit-converter.lua
index 0ac9854..9ee72b8 100644
--- a/main/unit-converter.lua
+++ b/main/unit-converter.lua
@@ -18,7 +18,7 @@ function on_alarm()
 end
 
 function redraw()
-	local color = ui:get_colors()
+	local color = ui:colors()
 	if unit == "temperature" then
 		sum = round(f[units[unit][unit_from]..units[unit][unit_to]](amount),3)
 	else
diff --git a/main/wikipedia-widget.lua b/main/wikipedia-widget.lua
index 74bb799..5000cc9 100644
--- a/main/wikipedia-widget.lua
+++ b/main/wikipedia-widget.lua
@@ -10,7 +10,7 @@ json = require "json"
 url = require "url"
 
 function on_alarm()
-    lang = system:get_lang()
+    lang = system:lang()
     random_url = "https://"..lang..".wikipedia.org/w/api.php?action=query&format=json&list=random&rnnamespace=0&rnlimit=1"
     summary_url = "https://"..lang..".wikipedia.org/w/api.php?format=json&action=query&prop=extracts&exintro&explaintext&redirects=1"
     article_url = "https://"..lang..".wikipedia.org/wiki/"