Its not a bad dump. I have jp wii with a wiikey in it. It works 100% and played it for about 1 hour. It will not work on USA or Pal wii's as they dont have the type of japanese text displays in them to run the game. Same as the other japanese games that dont work on USA or Pal. Big Brain JP...
The Update is 2.2j. The dolphin moves and it then comes up with the first save screen. After the first save it then goes into making your chara, then a second save screen for your chara.
@Xdqwerty, to answer your question, they're a fusion Brit-pop/J-pop/electronic band with a woman vocalist. Flamingo is hands down their best known song but they've got a ton of other really good songs