To uninstall this app,there are two ways:
1,You should UNCHECK the "Enable Lock" first,then go do Application to uninstall it;
2,The second way is go to "Security-->Device administration",find the "ScreenLock" and UNCHECK it, then uninstall it in the Application.
How to use:
After install, put the "ScreenLock" widget on your screen, then you can use it to lock your screen; And you can do config through "ScreenLock" application.
1.Enable you use "ScreenLock" widget to lock your screen without pressing your power button.
2.Special ring comes out when you lock your phone.
3.Enalbe you use your own most like sound.--how to use? just put the sound you like into SD card, then select the sound through ScreenLock Applicaion.