Clock app
Clock is Time tool that is open source under the GPL-3.0-only license.Clock Screensaver is a simple fullscreen clock screensaver.
Features:
- analog and digital clock can be activated or deactivated individually
- optional date and weekday view
- displays appointments from Android calendar or internal event database
- adjustable background and clock color
- can be set as Android system screensaver ("DayDream") on smartphones and tablets
- compatible with Android TV devices