CLock Screen is a simple clock app with black background for Super AMOLED built in display mobiles.
It can be used as a screen lock. The clock position is changed in every 30 seconds on the screen to avoid screen burn-in. You can disable the clock move and the clock will be centered on the screen.
To exit the app double tap the background.
To enter the settings longpress the background.
To exit the settings tap the background.
To change the clock brightness move your finger up and down on the screen.