This is my first app I developed. It is still in the app stores but I am not maintaining it anymore.
The Ultimate Mobile App For The Serious Dancer
(iOS and Android)
Have all your favorite and recommended dance moves in your mobile device. Record class material right after class and categorize it and add personal notes. Import any clips from Youtube or playlists from your friends.
Slow down your clips step by step and loop over the relevant part you want to learn.