Learn how to use the gallery control as the basis for your PowerApps canvas app home screen.
This will allow your app to easily grow as you add more and more features.
Why not get started on the right foot?
Follow-along with these videos and you'll be set.
The style of these vids is intentionally "under produced" so that even brand new citizen developers see that we all make mistakes, fumble a bit, but persevere until we get a working solution.