Handy software package to lock smartphone applications
A free program for android
Lock apps, check. Hides apps, check.
The Best app lock in Play Store
App Lock can lock App SMS, games, Contacts, Gallery, ,gmail, mail, play store, chat applications, Settings, Calls and any app you choose, protecting your privacy.
A free utilities & tools app for Android, by SpSoft
A free utilities & tools app for Android, by Ukzzang
Hide Pictures and Videos in most secure gallery lock vault so they don't get exposed
? i Applock 8 can lock Market,Contacts, Gmail, Gallery, Settings,SMS,Facebook protecting your privacy.