This process is complex and not beginner-friendly. No all-in-one "Maker" app exists here.
Here is the step-by-step guide on how to download and set up Super Mario 64 Maker on your Android device. super mario 64 maker download android
Given Nintendo’s current strategy (Switch Online + Expansion Pack, 3D All-Stars limited release), an official 3D Mario Maker seems unlikely. The complexity of 3D level validation, physics testing, and sharing infrastructure is far higher than 2D Mario. This process is complex and not beginner-friendly