The Nintendo Switch features physical controls and a 6.2-inch screen. A mobile device requires both capacitive touch input and, potentially, external controller support. Version 3.0.0 would need to optimize the game engine (likely a modified LunchPack engine) for variable mobile GPU performance, targeting 60fps on devices from iPhone 11 / Snapdragon 855 onwards.
As of June 2026, there are no announcements regarding an official mobile release of Super Mario Maker 2. --- Super Mario Maker 2 Mobile 3.0.0 Download