. The "3.0.0" version you are seeing likely refers to the released for the Nintendo Switch version in April 2020.
Only download from trusted community forums. Avoid "file download" sites with pop-up ads. --- Super Mario Maker 2 Mobile 3.0.0 Download
You must own the game on Switch and download the update via the Nintendo eShop . 2. Fan-Made Projects and "Clones" Nintendo has released official titles:
If you want a Mario experience specifically designed for mobile touchscreens, Nintendo has released official titles: --- Super Mario Maker 2 Mobile 3.0.0 Download