Any app there to hide my All Private Data ?

hello there i'm new in android os i was using Windows Operating system in Nokia and buy new Samsung Galaxy S6. While research i found there are so many apps available in android to hide our private data can any one suggest which one will be the best one i found this list of apps for security.


RedPhone: Private Calls
AppLock (Free Application Lock Utility)
LEO Privacy Guard
AppLock
CM Security Antivirus AppLock
Smart AppLock


Any other app idea is also welcome thanks

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