Easy Lock+Smart Cover

"Easy Lock" will give you four applied methods for lock your phone screen.

Smart Cover:
On this method, when an object approachs proximity sensor of your device, the screen will be off and if it go away, the screen will be on again. It mean if you use cover on your device, by closing and opening the cover, the screen will be off and on automatically.

Transparent Button:
By selecting this option, a transparent button will be appears on your screen and always will be available on any page of your device, you can lock and off the screen by touching it.

Shaking:
If you enable this option, you will be able to lock and off the screen by shaking your device and without pressing and touching anything

Widget:
Finaly, there is a simple widget to add to your homescreen and you can turn off the screen by touching this widget.

KW:
smart cover, smart lock, smart unlock, proximity lock, sensor lock, screen off, screen on, lock screen, unlock screen, auto lock, auto unlock, smart eye, shake lock