Lock for Whatsapp and other apps?

[Somil Jain]

WhatsApp Locker | Windows Phone Apps+Games Store (United States)

 

[Qasim Irfan]

Is there an app like App Lock on Windows phone 8 to lock Whatsapp, gallery, sms? Really hate it when people shamelessly sneak into them.

try this app it will help to secure start screen atleast where people usually sneak in
https://www.windowsphone.com/en-us/store/app/lock-whatsapp/7596ed37-754d-4924-bdac-7924aae55cf4

 

[Henry Chimezie]

Is there an app like App Lock on Windows phone 8 to lock Whatsapp, gallery, sms? Really hate it when people shamelessly sneak into them.