Note that this could include packaging Linux GUI applications as Android APKs (with some additional glue code and Wayland/DBus integration of course), so it's not even an either or.
> Why not try to fork AOSP or GOS
Which concerns do you share? Both AOSP and GOS must follow the Google development strategy, they aren't exactly independent on Google (which is a problem: >>45208925 ). Nevertheless GOS on Librem 5 or Pinephone would be a nice idea, except the GOS developers are against that: >>45101400
> Linux's (nonexistent) security model
Linux's security model is based on trusting the software you're installing from the FLOSS repositories, and it works very well.