How to install:
This is ONLY A WIDGET not a main application! You can add it by long pressing your homescreen -> than go to "Widgets" -> and choose "Last Callback Widget".
"Services that cost you money, directly call phone numbers." - used to make phone calls
"Phone calls, read phone state and identity." - used to refresh the Widget whenever an incoming/outgoing phone call happen
"Your personal information, Read contact data." - used to get contact name from your call log