Egregoros

@raucao article explains "Google promised to share this [system to install Web Apps that integrate well with the system] with third-party browser vendors" but hasn't followed through.

In a healthy and robust mobile ecosystem where a Mozilla-like org (read: multi-vendor coalition) is a major force providing a viable de-Googled Android and can be relied on to do the fair, reasonable thing contra Google's self-serving/unpopular decisions re Android, no one would need to rely on such promises.

@raucao Mozilla's mobile OS should have been stock Android with Firefox pre-installed (that you can get on real hardware)

… evolved into "that, plus these other experiments for first-class apps written in JS that we'll stick with, rev, or abandon depending on whether it all works out" (i.e. something resembling what FirefoxOS promised)

… evolved into "stock Android with sane defaults, like Firefox pre-installed, that you can get on real hardware, minus the anti-sideloading posture".