Trommelyd for Android released! Torkild Retvedt Read more posts by this author. Torkild Retvedt 21 Sep 2010 • 1 min read This is the announcement of the release of Trommelyd for Android™, the official application for Trommelyd. The project is hosted on GitHub, and is licensed under GPLv3. There are more features planned ahead.. Just you wait!