Lock me

No more clicking the power button, one click is all you need to turn off screen.
Lock me is the small app (in terms of installed size) in its class while being efficient.

For android versions 4.1(Jelly Bean) to 5.1.1(Lollipop) : Swipe up from the home button to lock screen quickly

For android 6.0(marshmallow) & above : Go to Settings -> Apps -> Configure apps -> Default Apps -> Assist & voice input -> Choose default assist app and then long press the home button to lock the screen.

To uninstall : Go to Settings -> Security -> Device administrators -> deselect Lock It then uninstall in normal way.

Keywords: One click, One tap, quick lock , screen off, lock screen