Quick app lock Android App

The description of Quick app lock: Lock any app you want to protect! Lock some apps before handing your phone to others (friends kids...). This app can protect your privacy. Simple and easy to use:open an app you want to protect click the float lock icon on the top of screen select lock menu item. You can change appearance of the service icon such as size transparency auto hide. Long click the icon then drag and drop it to change its position. The service will automatically pause when screen off so do not worry about power consumption. ..