Button could get broken someday when we press it frequently. Touch the screen to turn off screen. save your button! - if you broke your power button this will save your device. - reduce the stress on your power button. - just one touch on the screen locks the phone. - it's super easy to use. - no more uncomfortable power button. - turning off the screen like the power off button. - saves the trouble of spoiling the button unnecessarily. - don't have to press and wait for your power button to be