Official inclusion of Mountain and Volcano (Mountain at night) themes.
After analyzing hundreds of user reports across Reddit, GBAtemp, and Discord, three main issues plague the searches: Super Mario Maker World Engine 4.0.0 Download Android Fix
If you have an older version of SMMWE, back up your local levels folder first, then uninstall the old version before installing 4.0.0 to prevent file corruption. Official inclusion of Mountain and Volcano (Mountain at
Super Mario Maker World Engine (SMMWE) 4.0.0 is a community-made, GameMaker-based fan engine that brings Mario Maker–style level creation and play to mobile (Android/iOS) and PC. Version 4.0.0 adds World map support and several editor/gameplay tweaks, but Android “download/fix” builds you’ll find online are unofficial, inconsistent in quality, and carry security and stability risks. inconsistent in quality