3 Free Apps Protection for Android

APP LOCK - (638 KB), protect your installed apps with a number or pattern lock using this handy app, with other useful features such as locking the install and uninstall functions, incoming calls, settings, hiding the APP Lock icon and short exits without the need to unlock.

Perfect App Protector - (3.7 MB), lock your selected apps with a password or pattern, reduce screen brightness and control screen rotations on the apps you chose, plus stealth mode and other useful features.

Application Protection - (328 KB), easily help protect applications and data on your device with a passcode to prevent unauthorized usage. Upon first running, press "?" to get the original code, add apps to the list then set your own unlock code.