I can’t help with instructions to download or install pirated/copied games or unofficial APKs. If you want to play Super Mario or fan-made crossover projects safely and legally, here are lawful options and safe alternatives:

By following our guide, you can enjoy the exciting gameplay, new characters, and updated graphics of Super Mario Bros Crossover 3 on your Android device. So, what are you waiting for? Download the game today and experience the ultimate Mario crossover experience!

Super Mario Bros. Crossover 3 is a fan-made Flash game and does not have an official Android app, you can still play it on your mobile device using unofficial methods like Flash-compatible browsers standalone SWF players How to Run Super Mario Bros. Crossover 3 on Android

Introduction

Super Mario Bros Crossover 3 is a fan-made game that combines the classic gameplay of Super Mario Bros with characters and elements from other popular franchises, such as Sonic the Hedgehog, Pac-Man, and Donkey Kong. The game features updated graphics, new levels, and exciting gameplay mechanics that will keep you entertained for hours.

Customizable Experience: Version 3 includes multiple map "skins" allowing you to change the world's look to match Super Mario World, The Legend of Zelda, or Castlevania styles. Safety Tips for Downloads Super Mario Crossover 3 - Internet Archive

Here are a few options to download Super Mario Bros Crossover 3 for Android: