Amazon teased single sign-in across Apps when it launched its new 4K Fire TV last September. It's only now, though, that the company is making good on its promise. If you have a login from a cable TV provider that supports SSO authentication (like Di...
https://www.engadget.com/2018/01/25/...gn-on-fire-tv/
https://www.engadget.com/2018/01/25/...gn-on-fire-tv/