1Signs in with drive.file only β per-file access, nothing else in your Drive is visible.
2Creates or finds a folder named mypicpins.com.
3Lists photos and videos inside it and its subfolders, reading GPS straight
from Drive's metadata β the files are never downloaded to find their location.
4Subfolder names become album names. Loose photos fall back to distance grouping.
5Anything without GPS runs the fallback chain, then lands in a
Needs a location tray you can place by hand.