Amazon Fire TV refers to two digital media players and microconsoles developed by Amazon.com. It is a small network appliance and entertainment device designed to stream digital audio/video content to a high-definition television. The device also allows users to play video games with the included remote, via a mobile app, or with an optional game controller.
Amazon fire tv is a lot like a roku or apple tv device in that they all can stream audio/media content to your television.
Amazon fire tv, apple tv and roku can all connect to your tv and be used to stream online digital content.