Smart Screen On Off PRO v1.2.9 can turn on/off the screen your device don’t need power by many way. Shake to screen on/off. You can set shake count to turn on/ off screen.
Use Proximity sensor to turn on/off screen : Proximity Smart Cover feature for user using Flip Cover (If you use a phone case with cover, just close the cover to turn screen off. and open the cover to turn screen on). With Smart Cover feature when you put the phone in your pocket to turn screen off, and take the phone out your pocket the screen will be turn on.