App Lock is one of the practical apps for android. It can lock apps, private data with password lock or pattern lock. AppLock helps protect your privacy and guard your phone 24/7! AppLock is a security tool which helps you to protect your phone from annoying people by locking your applications from public access. Prevent unauthorized access and guard privacy. Ensure security. How to use: The app is very simple to use: After installing the App Lock you got the list of an installed application