Folders organize your shortcuts.
To create a folder on your home screen:
Drag it onto another to group them together, then release when you see a frame around them.

To add apps to the folder:
To remove apps from the folder:
To remove items from your home screen:
Drag it to Remove.
App icons on the home screen are shortcuts to installed apps found in the app tray. Removing an app shortcut from the home screen doesn't uninstall the app. Learn how to uninstall apps.
To select a totally new user interface for your home screen, download a different launcher.
If you’re having issues, try these troubleshooting steps.