Samsung J320 - Add Folders to the Home Screen

Your Phone Interface 60
From home, touch and hold an empty space, and then tap Widgets . 1.
Touch and hold a widget icon. 2.
 The icon will disengage and you will see thumbnails of your home screens.
Drag the icon to an empty location on one of the home screens. 3.
 The widget is added to the home screen.
Add Folders to the Home Screen
You can group home screen shortcuts into folders for convenient access.
From home, touch and hold a shortcut you want to place in a folder, and then drag it on top of 1.
another shortcut and release it.