The harmonica legend app is an awesome way to learn and play harmonica!
One app goal is to help beginner harmonica players to improve their playing technique in the way of challenge themselves, with different challenges found in the app.
At the end of each challenge a score is given, so it is possible for players to follow their progress, and set goals for themselves.
Another goal of the app is to show harmonica notes on smartphones in comfortable way for playing. the application is recognizing the notes that are already played, so only the next relevant notes to play are shown clearly, and the player can concentrate in good playing.
In this way of playing you can also know if the notes you play are correct, so it improves your skills.
When downloading the app it is set to harmonica in the key of C, but it is possible to set the application to another key harmonica easily, using the tune option.