Use volume button to turn on the screen instead power button. It's fix your power button doesn't work or save capacity of the power button.

The difference with another app is this application has optimize performance and setting app's working time for save battery.

Main features:
Unlock Power
- Volume button to unlock the power
- Share to unlock

Lock Power
- Lock via notification
- Share to lock
- Float button lock
- Volume button to lock
- Config time for save battery

Volume Unlock Uses Device Administrator Permission to lock the device, once device admin permission is given user can not uninstall the Application normally, please use the uninstall option provided or go to Device administration settings and uncheck the Volume unlock to uninstall the application normally.