I think he helped with brain age, which had a good reputation, and then a mediocre one for actually working. Despite that, after conversing with my wife we are

I think he helped with brain age, which had a good reputation, and then a mediocre one for actually working. Despite that, after conversing with my wife we are of the opinion that fast simple math may be promising. http://www.nintendo.com/games/detail/Y9QLGBWxkmRRzsQEQtvqGqZ63_CjS_9F http://www.nintendo.com/games/detail/Y9QLGBWxkmRRzsQEQtvqGqZ...