during installation, or would you like to know more about the 4.0.1 patch notes
Version 4.0.0 introduced major UI overhauls, new level elements, and online features. However, initial Android builds suffered from critical bugs – this report details those issues and the fixes implemented. Super Mario Maker World Engine 4.0.0 Download Android Fix
What or behavior (e.g., immediate crash, frozen loading bar) are you encountering? during installation, or would you like to know