Samsung J1 SM-J120F - Manual (Page 23)

Basics
23
Moving and removing an item
Tap and hold an item on the Home screen, and then drag it to a new location.
To move the item to another panel, drag it to the side of the screen.
You can also move frequently used apps to the shortcuts area at the bottom of the Home
screen.
To remove an item, tap and hold the item. Then, drag it to
Remove at the top of the screen.
Creating folders
1 On the Home screen, tap and hold an app, and then drag it over another app.
2 Drop the app when a folder frame appears around the apps.
A new folder containing the selected apps will be created.
3 Tap Enter folder name. and enter a folder name.
To change the folder colour, tap
.
To add more apps to the folder, tap and hold another app, and then drag it to the folder.