I just bought this app to make use of my hdhomerun prime tuner to watch my cable tv without a windows pc open. If you are familiar with hdhomerun prime from silicondust, this is a great way to save on your cable bills by using windows media center in conjunction with the hdhomerun prime tuner to avoid renting cable boxes. This app enable me to use the tuner without a pc on. Below's the forum for it. http://www.silicondust.com/forum/viewtopic.php?t=10078&postdays=0&postorder=asc&start=0 The app is called tv streamer. Totally worth it if you have the tuner!