As this is not moving I am writing my own extension for this https://git.benetou.fr/utopiah/keyboard-extension but I will not publish to AMO. Still fee free to try it (Nightly only) or share suggestions and ideas if this would still be useful to you.
Was traveling last week, Firefox on mobile and BT keyboard... painful experience still. I'm wondering if a WebExtension for Firefox Nightly on mobile would help, catching the usual e.g. Ctrl+L to get to the URL bar. Maybe simply binding commands and ...
