Au contraire! With a three character month, period separation isn’t needed, and the date is shorter. (Admittedly there’s likely to be a language translation issue, depending on audience.)

In other words, wipe the USB stick.

Obviously “Not!” followed bacause people were unsure how to spell that word.

Not!

If you’re asking about more imagery coverage, Mapillary has a lot. The wiki has a list of street-level imagery articles.

OpenStreetMap is more about the map database, so any imagery association tends to be loose, and is more for use as a useable source for ground truth.

Have you checked out Every Door?

StreetComplete is intended for local, on-the-ground surveying only. Editing remotely is not supported, and will result in problems.

(I’m not sure whether you’re editing remotely vs reminiscing during in-person visits, phrasing is slightly ambiguous.)