efmkoene
Unable to answer "What kind of building is this?" for https://osm.org/way/445594346 via StreetComplete 33.0:

This little thing hosts one guy who opens the gate fir trucks etc going to the big stadium. So it's a security guy shed. Couldn't find an appropriate building category for that!

Attached photo(s):
https://westnordost.de/p/49269.jpg