For retro enthusiasts, this is the holy grail. While you can play NES and SNES games via standalone cores in RetroArch, playing them through the official Nintendo Virtual Console emulators on the Wii Menu offers a specific, authentic feel.
Insert an SD card (formatted to FAT32) into the Wii. Navigate to the Options menu (gears icon) in BootMii, and select the Backup Mii option (green arrow pointing from the chip to the SD card). wii nand download dolphin high quality