I made a stupid app for learning piano

It s extremely simple and quite ugly, but it works. Download TrackLiszt here: https://play.google.com/store/apps/details?id=com.repertoire.trackliszt TrackLiszt is a great tool for musicians who want to build a large repertoire of songs. The built-in algorithm will help you schedule your practice sessions optimally and keep track of your progress. Never again will you forget how to play a song you once knew! How it works: 1) Add songs to your repertoire list continuously as you learn them. 2) Track and rate your practice sessions. 3) The algorithm will optimize your practice routine and recommend a set of songs to practice each day.