- mobile customer service for listening to music. In it, the user will choose his interest of musical genres, and then the program will offer him the tracks and playlists that may be of interest. To make the app more accurately pick out music, you need to put likes and dislikes on songs listened. In addition to genre division there is division and by topics, for example, for training, for car journeys etc. you can Also download any music and have access to offline anywhere and anytime.