Lock! is a screen lock with plug-in support. Anyone can create an activity to be used as the unlocking mechanism. Please follow the tutorial shown on first launch to set everything up correctly. You can relaunch the tutorial from (i) icon in the action bar). The tutorial shows you how to:
1. Set Lock! as your "Home" application (this allows it to act as a screen lock)
2. Disable your current lock screen (this allows Lock! to take over)
3. Choose the launcher you want to use after the screen is unlocked
4. Setup a skin (such as
Lock! :: Glyph)