Unable to answer "How does this path cross the barrier here?" – osm.org/node/12526886743 via StreetComplete 60.3:

Keine Barriere, Geländer zur Unterführung.

No barrier, guard rail for stairs.

Unable to answer "This shop has been vacant. What’s here now?" – house number 31 – osm.org/node/2796742908 via StreetComplete 60.3:

Kein Laden, Teil von Brompton daneben

No separate store, part of Brompton marked next door

Unable to answer "What’s the surface here?" – Unmarked Crossing – osm.org/way/1228262003 via StreetComplete 60.0:

Kein Übergang, Rohr entlang der Str. Im Weg

No path to other side, big tube blocking path

Unable to answer "Any vegetarian items on the menu here?" – Pinselheinrich (Restaurant) – osm.org/node/9733482945 via StreetComplete 58.2:

Ist jetzt Teil des Heinrich-Zille-Kindergarten

Unable to answer "What type of barrier is this?" – Barrier (Unspecified Type) – osm.org/node/9790678853 via StreetComplete 57.3:

Nicht sicher welche "Barriere" hier gemeint ist. Hier ist eine Tür zum Hinterhof.
--
Not sure which "barrier" is meant. There is a door to the backyard

Gate was closed when tried to drive through

via StreetComplete 54.0

Here is an art shop: "72 material bellas artes jer" (www.tiendabellasartesjer.com)

via StreetComplete 54.0

Unable to answer "What are the opening hours here?" for osm.org/node/8920045016 via StreetComplete 52.1:

Kein Laden, keine Öffnungszeit?
No store, no opening hours?

Unable to answer "What are the opening hours here?" for osm.org/node/1557683657 via StreetComplete 44.1:

Seems to be closed

Unable to answer "Do you have to pay to park here?" for osm.org/way/1079127200 via StreetComplete 45.1:

Privatparkplatz
Private parking lot