Unable to answer "What surface does this piece of road have?" for osm.org/way/185832226 via StreetComplete 54.0:

a big section of this is not a foot path at all, it is a paved water drainage ditch next to the autobahn.

Unable to answer "This shop has been vacant. What’s here now?" for osm.org/node/2722020126 via StreetComplete 54.0:

has this address been absorbed into the adjacent business?

Unable to answer "What’s the house number of this building?" for osm.org/way/200784964 via StreetComplete 54.0:

this is not a separate building. Part of 25. Contains 1 above ground level and one below ground parking garage level. Also, the hausnr is "25, 27" not "25".

Attached photo(s):
https://westnordost.de/p/176119.jpg

unmapped house nr here. But maybe just the back of nr 57?

via StreetComplete 54.0

Attached photo(s):
https://westnordost.de/p/175966.jpg

The hausnr on the corner is definitely 24. Not sure where 23 is, if it exists.

via StreetComplete 54.0

Attached photo(s):
https://westnordost.de/p/177210.jpg

Unable to answer "What kind of building is this?" for osm.org/way/188150256 via StreetComplete 54.0:

this is not a separate building. It is an addition to the existing building. Dining space for Restaurant Alto.

Unable to answer "What’s the house number of this building?" for osm.org/way/120368492 via StreetComplete 54.0:

this is an addition to nr. 250

Unable to answer "What’s the surface here?" for osm.org/way/161756263 via StreetComplete 54.1:

doesn't exist

Unable to answer "What kind of building is this?" for osm.org/way/478444145 via StreetComplete 54.0:

the ground floor has it's own address (36 Sebalds.) Upstairs is 1 Esmarchstr.

Unable to answer "Are there sound signals for the blind here?" for osm.org/node/2581346691 via StreetComplete 54.0:

seems to be duplicate signals in the DB here