HexClock

See the time. Admire the time. HexClock takes the current local time and interprets it as a colour. You can use it as regular app, set it as a live wallpaper, or use it as your phone's Daydream screensaver. Use HexClock as your phone's screensaver when charging! Just select HexClock in your phone's settings as the default Daydream provider.