5 for being a bizarre hybrid of animal crossing and the sims, but it doesn't look that fun. I never took to mii avatars, and the humor doesn't seem to translate well, especially when delivered by mediocre text-to-speech.
This was the reuslt of Nintendo's promise to localize games they wouldn't have considered localizing before (indeed, this game is over a year old in Japan and is a sequel to a DS game). Of course, despite the frothing rage and bitterness of fans, sometimes there's a reason games don't get localized.