Re: What can't you do on Android WITHOUT a Google Account set up in the OS?

Carlos,

Yes, there is OpenStreets to replace Google Maps, but I've used OSM, and
then dropped it since it gets some data from city plats for roads that
don't yet exist, and may never exist,

Using OSMAnd myself, I've seen pedestrian "road" data which has become
obsolete at least a decade ago (if not two or more).  In a city. :-|

and much of its data is crowd sourced, so areas with few reporting OSM
users are sketchy or missing.

...

Yes, of course, OSM depends on its contributors.

Although I was able to download the relevant map data and figure out which
nodes need to be removed and could estmate(1) which nodes would need to be
added(2), I was never able to figure out where to send such information.
Does either of you know ?

(1) a test with the GPS of a tablet I had didn't give me much confidence in
its accuracy.

(2) I never was able to find an authorative source to what this "diff" file
should look like though.

Free just means free, not necessarily equal nor better.

Replace "free" with "payed for", and the same is true. :-) :-(

Regards,
Rudy Wieser