WiiGator has just released an update to his GameCube Backup Launcher for the Nintendo Wii. This version, being called 0.1 Xi, brings with it a some new additions and fixes.
Here's what WiiGator said in his release:
Yes, multigame support is now added. Meaning games like Resident Evil can now work when using the launcher. Also new is the memory card bug fix, which means that all your previous saves using his first release of the launcher will not, unless you edit the game ID manually.
WiiGator mentions that support for all games are NOT guaranteed, but you can easily check for support by checking out the official Gamecube Backup Launcher Compatibility Matrix. Installation is the same as the previous version.