1. To clear app cache, swipe down from the top pf the screen, the tap the Setting icon.
   
2. Under the General tab, tap Application manager.
   
3. Tap the Desired application
   
4. Then scroll to and tap Clear Cache.
   
5. To stop an app, tap Force Stop.
   
6. To update an app, from the homescreen, tap the Play Store icon.
   
7. Tap the Menu tab.
   
8. Tap My apps & games.
   
9. Tap on the Desired application that requires an UPDATE.
   
10. Tap UPDATE.
    
11. Tap ACCEPT.
    
12. To uninstall, tap UNINSTALL.
    
13. Tap OK.
    
14. To re-install, tap INSTALL.