Usar la aplicación APKPure
Obtener Glance - Always On Display versión histórica en Android
Esto demuestra reloj después de apagar la pantalla del dispositivo
You can see clock on center of phone after screen off
If you want Unlock your phone, you can just 'Long Press' Any where in the screen
This app is suggest for AMOLED - display device.
It works when your phone's locked, it shows you a clock on screen, just like Glance function.
Okay, than just ENJOY