Comment by rahimnathwani

Regarding #1, I've found this app helpful when I'm at a national park or theme park or similarly large space:

https://play.google.com/store/apps/details?id=com.you_are_he...

The author also has an iOS version:

https://apps.apple.com/us/app/you-are-here-gps-for-any-map/i...