Apps in the box will be hidden launcher and will not be able to steal your battery or cellular data in the background. You can easily launch them from the Ice Box, just like launching a home screen folder. They will automatically be locked after screen lock or at the back of launcher and can not do anything in the background.
+ Freeze application / defrost.
+ See the details of the App system.
+ Open on Google Play.
+ Gel All applications
+ Freezing all + lock screen
+ and Defrost Run Specific App
For More Info Google Play
varies with device