Screen off application for used immediately off screen the device by flicking . Download that application from goggle play and install on your device . After installation screen to come out on device for setting . There is option to for activate screen off . User can choose a option for activation this application . A use choose a activation screen off option then it is activate this application , then go back on application click on screen off user will see his device screen off by flicking
Simple and fast!
https://play.google.com/store/apps/details?id=kr.co.core.technology.screenoff.free