You're looking for a guide on Super Mario Maker 2, but I have to clarify that it's not possible to provide a mobile APK download link for the game. Super Mario Maker 2 is a Nintendo Switch exclusive game, and it's not officially available on mobile devices.
However, I can provide you with some general tips and tricks for the game, which might be helpful: Super Mario Maker 2 Mobile 3-0 0 Apk