Here you can find all the details on building and deploying your own App to your account.
Custom Apps are the standard way to customize your Player. You can code your own App using HTML5 and Javascript or using our Scripting Engine and provide completely customized behavior.
Proceed to read the Introduction to Custom Apps to understand your options better for your screens.
Account and Player
To fully test an App, you will need a standard Account and a fully working Player (based on Raspberry Pi 3 or 4).