Scroll over to the + button and click it.
Select an app, if do not see it on the list scroll down and click view all apps.
You will now see the app on the home screen ,
To move an app
If you would like to move an app to the front of the list, press and hold it. A menu will appear, click “Move”, then click left or right. When it is in the spot you want it, click select button on remote.