Fantastic. Glad you’ve got it all sorted :)

I bet you’ve just got HDMI-CEC turned off in the Fire TV’s settings or something (i.e. you probably don’t even need an app).

What make and model TV do you have?

Shame they didn’t use a proper license when publishing.

Yes. What’s modified about it?

What’s modified about it? Certainly not the readme.

And it’s always been Firefox since day one. Out of the ashes of Netscape Navigator rose Firefox and Mozilla have been one of the only bastions of the free and open web ever since. I honestly don’t understand why anyone would use another browser.