AppLock Theme Cube, AppLock v1. 96+ required. Most downloaded app lock in Play Store. #1 App lock in over 50 countries. Over 50 Million users, supporting 24 languages. AppLock can lock SMS, Contacts, Gmail, Facebook, Gallery, Market, Settings, Calls and any app you choose, with abundant options, protecting your privacy. AppLock empowers you to control photo and video access.