Send websites from your phone, tablet or computer to your Fire TV! All you’ll need are Firefox on both devices and a free Mozilla account.
Securing Your Web Browsing: Is Firefox Safe?
Firefox: Private, Safe Browser on the App Store
Receive tabs on Firefox for Fire TV
Firefox for FireTV Stick, Firefox for Fire TV Support Forum
Firefox Fast & Private Browser - Apps on Google Play
How (and Why) to Use Vertical, Tree Style Tabs in Your Web Browser
How to dismiss ending support banner at the top of the screen in Firefox on Fire TV? : r/firefox
Vertical tabs in Firefox: Yes, it's really possible!
How do I restart firefox with the same tabs and windows?, Firefox Support Forum