Song Tracker is a free Android app developed by SoundAware under the Multimedia category, specifically Music & Radio subcategory. The app provides registered users with the ability to track the airplay of their favorite songs on the main Dutch radio stations. Additionally, users can add specific music tracks to their song portfolio and request a particular track to be followed.

With Song Tracker, users have access to a generic graphical overview of the airplay data, which shows how often a song has been played in the last two weeks. It's also possible to view the airplay data of a specific radio station for the same time period. The app is easy to navigate and provides a user-friendly interface that allows users to quickly search for specific songs and add them to their portfolio.

Overall, Song Tracker is a useful app for anyone who wants to keep track of their favorite songs' airplay on Dutch radio stations. The app is free to use, making it accessible to everyone who wishes to use it.