The term (Wii Backup File System) refers to a specialized file format and file system designed by the homebrew community to store Wii game backups on external drives.

Absolutely. Wii Play: Motion is one of the few games that truly showcases the Wii MotionPlus. The WBFS version loads faster than the disc, saves wear on your Wii’s laser, and keeps your entire library on one drive.