Offering the world's largest library of 4K Ultra HD content UltraFlixâ„¢ is a streaming network that enables subscribers to choose from over 600 hours of pristine 4K Ultra HD Video on Demand content in a broad range of venues categories plus 100 hours of free content. UltraFlixâ„¢ has also become the preferred 4K STB and Smart TV App for leading 4K Smart TV manufacturers including Hi-Sense Samsung Sony Vizio and now available on Android TV devices!