OS: Fire OS 7 or higher
Download the Viaplay app from the Amazon App Store
To get the best video quality on your Amazon Fire TV device, go to its System Display Settings and set "Match Original Frame Rate" to "On."
Full HD User Interface: Yes
Supported Video Resolutions: Up to UHD/4K
Audio Support: Dolby Digital Plus/AAC
50 fps Live Sport: Yes
Live Scrubbing: Yes
Multi Language Support: Yes
Read more about Viaplay’s supported features and functions here.