Lock app with pattern. Lock app with password. Fingerprint support. Keep your privacy by locking apps like WhatsApp, Facebook, Gallery or anything you want. Lock your apps with a "secure" but "easy to unlock" pattern. Lock by pattern, password, keypad many types for lock apps. Very interesting. You have customize your lock, eg: change lock type, change background.
The security report indicates that App Lock is completely safe. Smart Mobile Tools is the creator of this application which can be found in the Tools category. The app has the overall rating 4.4 on Google Play.