Invisible Lock

The program will allow owners of Android devices to block access an invisible screen, and to access necessary to perform a given gesture. Appendix Invisible Lock allows outsiders to see everything that's going on, but access will not work. To unlock gesture provided 4: Up, Right, Left, Down. The screen is locked after 5 seconds after turning off in the settings of this parameter is set. The program is automatically activated when the device is reset. Invisible Lock interface is intuitive to use.