Simply Piano apperently isn't so simple. When I would play a key it would say I'm playing a key that is further up than the key I was playing. When I would try to do a song it would say the key(s) I was playing were wrong when they weren't. With the lessons I wouldn't play something right so I would get sent to practice mode and it said I played every single key right! It also said that it gives you live feedback but it only sends you to practice mode and practice mode isn't helpful.