Help & troubleshooting for channels on your Roku device, including adding/removing channels, logging in to, authenticating, or activating a channel, channel-specific playback issues, assistance contacting channel publishers to report issues, and adjusting channel-specific settings.
I see no mention of apps for ANY streaming device, just that you can view via their website. If you have more luck with casting than I do, perhaps you can cast it from the browser on your computer/phone/tablet to your TV