Description: How to add or remove an icon from the home screen of a Nexus 7 Tablet.

1. Open the apps list by tapping the icon highlighted in red below.
   
2. Press and hold on the icon that you want to have on the main screen.
   
3. Release icon where you want it on the main screen.
   
4. The icon is now on the main screen.
   
5. To remove icon press and hold on the icon.
   
6. Move icon to "remove" on the top of the screen.