Lock your application with Applocker

You don't want any one know your secret, or don't want them to play your game. Now you can download and install AppLocker for your iPhone, iPad, and iPod Touch running iOS 7 and iOS 8. And you can lock your application or game by follow below step:

*Your iDevice must be jailbroken (iOS 7 or iOS 8)

1. Go to Cydia add sources "http://repo.biteyourapple.net"

2. Search "Applocker" and install it

3. Unlock you iDevice after Respring then go to Setting>Applocker and set your password and choose application that you want to lock.

Or you can follow this video

----------------Enjoy with Applocker------------- 

 Resource: Cydia