You see the home screen when you turn on and unlock your phone or touch 
Swipe right or left to move between home screens.


Navigation:






You can add more home screens to the right. To add a page, drag an app shortcut or widget to the edge of an existing page and place it on the new screen.
To remove a home screen, drag all apps, shortcuts, widgets, and folders off the screen. After you remove the last item, the home screen will be removed.
Organize it:
Change how it looks: