New Super Mario Bros. Wii comes in a .iso or .wbfs format (compressed). For Android, .wbfs is preferred because it saves storage space (the game drops from ~4.3GB to ~400MB).
The "Legal Descargar" Process:
Note to users searching for "descargar": While many websites offer direct downloads of the
.wbfsfile, downloading copyrighted ROMs without owning the disc is illegal in most regions. New Super Mario Bros
You must own a legitimate copy of New Super Mario Bros. Wii for the Nintendo Wii. This guide does not provide ROMs or copyrighted files, only instructions on how to use your own backup. Note to users searching for "descargar": While many
Open the Dolphin app and tap the three lines (menu) in the top left, then go to Settings. Apply the following configurations to eliminate lag and stuttering. You must own a legitimate copy of New Super Mario Bros