Step 1
Tap Business Settings, then tap Displays.

Step 2
Ensure all of your Displays have a proper Name by selecting the screen and then tap the little pencil icon to the right of the Name.

Step 3
Return to the home screen, then tap the Manage Displays button, then tap the Layouts button.

Step 4
Create a layout if you don't already have one. Give your Layout a name and tap Add.

Step 5
Tap the tag assignment button. By default, a new layout is tagged with "All displays, " meaning the layout will play on all of your displays. Select just the display you want this layout to play on.

Step 6
Now Add some content to your layout. Tap Save & Publish.

Repeat steps 4 to 6 for each display you have.