Open App With Pattern Lock Screen. Custom screen Lock Device.
With Applock app you can protect your Facebook, Facebook Messenger, Instagram, Twitter, Google+, Twitter,... apps.
AppLock is very lite, easy and fast.Choose a pattern lock when opening the application for the first time.
First you will start at the Home-screen completely full of applications.
Choose the application you want to hide, hold it until the app starts to wiggle.
Now drag the app over an icon on the Home-screen so that if you are going to create a new folder.
Once iOS senses that you are going to create a new folder drag the app icon you want to hide out of the folder down towards the dock.