I feel very dumb because I have a question for each game that I can not find the answer. Ridge Racer 3D, how do I send ghost data to my friend's 3ds ?? Both have streetpass enable. We also both have 3 default ghost to compete against. Even if i beat them they don't erase. Super Street Fighter IV: 3D Edition, about the "figurines", what does SC and UC stands for ?? Pip'