Just as a reminder, Firefox was tested in [qemu], see: (Ask me any app - I will show it) https://libre.video/videos/watch/a07577a9-0cf4-4fd3-a3af-b33ae65eba3b
For my “two cents”, I’d like to have it working too. If not fully (even in some “mini mode”) in phone mode, then at least in desktop mode (like I’d like to have most programs). As seen on the video, it’s not good but not bad either - there is hope. And lets not forget Tor-browser. I’d want options, not just one browser or engine.