You can turn on/off the screen your device don't need power by many way below:
►Double Tap HOME SCREEN To Screen OFF
► Support Animation screen OFF
***SHAKE SENSOR***
► Shake to screen ON/OFF.
► You can set shake count to turn ON/OFF screen
***PROXIMITY SENSOR***
► Use Proximity sensor to turn ON/OFF screen.
► Proximity Smart Cover feature for user using Flip Cover (If you use a phone
