Your chosen WAD pack (placed in a folder named /wad on the root of your SD card). Step-by-Step Installation
Formatted to FAT32 to hold your homebrew applications and WAD files.
Instead of launching your Homebrew Browser, USB Loader GX, or emulators from the Homebrew Channel, you can install "Forwarder WADs." These create dedicated shortcuts directly on your main Wii System Menu, allowing you to launch custom software with a single click upon booting the console. Prerequisites: Preparing Your Wii
MMM is a powerhouse that does more than just install WADs. It includes a comprehensive WAD manager, a cIOS installer, and can even patch existing IOS files. Its all-in-one nature makes it a favorite among advanced users who need to perform a variety of system-level modifications. However, some users have reported incompatibility issues with certain newer Wii Remote models (like the Wii Motion Plus), which may be a drawback.