Super Mari0 Bros World is a free Android game developed by NES Emulator Retro 1990s. It is an all-in-one emulator that supports ePSXe, PPSSPP, Retro 64, and Mupen64Plus FZ. This arcade-style game is perfect for those who love classic retro gaming.

One of the best features of this app is that it allows you to download game ROM in-app. The app supports all 8-bit file formats, and also has a cheat code support. The on-screen controls are configurable, and you can use the gamepad to play the game. The multiplayer feature allows you to play with your friends via Bluetooth or Wi-Fi.

It is important to note that no ROMs are included with this app, and you must supply them yourself. The app supports Android's storage access framework, which allows you to open files on both internal and external storage, such as SD cards and USB drives.

Overall, Super Mari0 Bros World is a fantastic emulator that is easy to use and provides a great retro gaming experience. It is a must-have for any retro gaming enthusiast.