Always on Display app provide information about notifications, clock, date, current weather on your screen without having to touch your phone or tablet.

features
Always On display
use your pics as a clock
use emoji as a clock
view notifications without touching your phone
having new Backgrounds and wallpapers
glow edge for new notifications
preserve battery using predefined rules
dim the screen automatically in dark environment
write a reminder and make it show up on your screen all the time
you can use it as a night clock
Greenify automatically when locking the screen to save battery