Forza Horizon For Android -

While a version of Forza Horizon does not exist for Android, you can play the full console and PC versions of the games on mobile devices through official cloud streaming and remote play services. Current Official Play Methods

You can play the actual PC/Console version of Forza Horizon on your phone using these official services: forza horizon for android

Since you are streaming the game rather than running it natively, your hardware focus should be on connectivity: While a version of Forza Horizon does not