What it comes down to is a very simple app that displays the same video stream located on http:// which allows the user to share it to your Apple TV or Chromecast (we want support for both technologies).
The video stream is available in several varieties, such as HLS, RTMP, or RTSP. We use JW Player to play it on out website.
App shoudl work in portrait and landscape on iPad and iPhone. psd files will be provided.