Unable to answer "What’s the surface here?" – Foot Path – osm.org/way/1314925041 via StreetComplete 58.2:

There is no path.

Attached photo(s):
https://westnordost.de/p/239517.jpg
https://westnordost.de/p/239518.jpg
https://westnordost.de/p/239519.jpg

Unable to answer "What’s the name of this street?" – Pedestrian Street – osm.org/way/695962210 via StreetComplete 58.2:

It's just a passage from the pedestrian walk at the Trompweg to the secondary road.

Attached photo(s):
https://westnordost.de/p/239514.jpg

It's actually a single road, not two roads.

via StreetComplete 56.0

Attached photo(s):
https://westnordost.de/p/195261.jpg

Unable to answer "What kind of building is this?" for osm.org/way/263083978 via StreetComplete 56.0:

It's an elevator

Attached photo(s):
https://westnordost.de/p/195262.jpg