Quick Lock

screen off

just a Simple application,

No ads,

No background service,

No extra features,

No any permissions,

Enjoy !

Extend double times longer life of the power button.

support from android 2.2

Note:

Please activate the application in Device administrators on first time

If you want to uninstall the application,please cancel the Quick Lock in "Settings -> Security -> Device administrators", then uninstall it as normal application.