Just shake your phone and lock it
ShakeLock (Reformed)
Lock the screen with ease. You can lock the screen by just shaking your device.This is very simple and light weight application, with no ads.With this application you don't need to press the power button to lock the screen. Just install the application and activate it. Device admin(this is just for the permission to lock the screen, nothing else) and select the suitable sensitivity and the application is ready for use. Just exit the application and shake it.
*************************WHY THE UNLOCK FEATURE IS NOT PROVIDED**********************
As per the requests of the users to add unlock feature,we decide to write here why we are not providing this feature.
If we add this feature then it will drain your battery very fast, because the service will running after the screen lock and as per our policy to provide good user experience this feature is not provided. It is for your own good ,for saving the battery life.
*********************HOW TO UNINSTALL***********************
If you want to uninstall the application you need to Deactivate Shake Lock from the application. Or you can deactivate it from settings > security > Device administrators > ShakeLock (Uncheck it) and uninstall it normally.