1. From any screen, press and hold the Menu key.
   
2. Tap an app to open it.
   
3. To close an app, touch and hold the desired app.
   
4. While holding, drag the app to the left or right to close it.
   
5. Alternatively, tap the Close icon to close the desired app.
   
6. Tap the Broom icon to close all currently running applications.