1. To access recently used apps, tap the Recent apps key.
   
2. To switch between apps, scroll to and tap the Desired app.
   
3. To open a recent app, tap on desired app. 
   
4. To close an app, tap the X icon on the desired tab.
   
5. To close all apps, tap the Clear all icon.
   Note: For information on viewing app and data usage, please search tutorials for 'View & manage data'.