App Lock can lock Gmail, Facebook, Gallery, Market, Settings, Calls, SMS, Contacts and any app you choose .
Brand new Android 5.0 Material Design!
1. Best free app lock to protect personal privacy!
2. Easy use Pattern/Password lock to secure your apps;
3. Lock SMS, chat, photo, video, game, Gmail, contact, note, facebook, etc.
4. No purchase, it is clean!
5. Light but very stable and powerful.
6. Beautiful themes available, we design for you;
7. Safe vault to view private files, enjoy self-privacy;
8. Easy control: one tap to lock/unlock