Ultimate App Guard
☆ Lock selected applications from un-authorized access
☆ Support 7 different alternative lockers: PIN, password, pattern, force close, dial a number, error message and image screen
☆ Customize validity period (to change locking scenarios)
☆ Schedule to lock/unlock apps in specific period in a day, during weekday or weekend, etc.,
☆ Widget to quickly enable/disable lockers
☆ 9 free themes for lockers (with ProKey only)
☆ Optionally organize apps into profiles
☆ Turn of profile mode to enjoy simple UI.
☆ Download App Guard Helper to prevent Task Killer and uninstalling apps from Launcher.
☆ Free version offers tree lockers (PIN, password, pattern), buy KeyPro to enjoy other lockers
☆ By default, this app will lock following apps: Messaging, Gmail, Email, Market, Facebook, Go SMS, Handcent, Paypal, Settings, Gallery, Facebook, GTalk and itself
☆ This app appears as UAL Free on your Android Drawer (to escape from curious people)
☆ The app always locks itself. Recommended to put your email to recover code if you lost it.