Unable to answer "What’s the topic of this information board?" for node/1024123996 via StreetComplete 53.3:

It's an explanation of the bicycle elevator

Name seems wrong, more like an informal nickname by its inhabitant. Possible vandalism by @Rune%20Bj%C3%A5land in Changeset #19670903 ?

"located in the underpass to the subway, right next to the stairs. address is "Grønland T-Bane Stasjon, 0188 Oslo"."
OSM snapshot date: 2023-03-29T15:44:03Z
POI name: Oslo Skredder & Renseri
POI types: shop-dry_cleaning
#organicmaps

Building has been destroyed, no more kindergarten/playground/parking

Sankt Olofs gryta

via StreetComplete 45.1

Attached photo(s):
https://westnordost.de/p/105891.jpg

"takeaway with Foodora and Wolt"
OSM snapshot date: 2022-07-18T07:38:05Z
POI name: Cin Cin Café
POI types: cuisine-coffee_shop amenity-restaurant cuisine-pizza internet_access-wlan
#organicmaps

Unable to answer "Are these opening hours for Heimatt (Cafe) still correct?" for node/5437948779 via StreetComplete 37.0:

new restaurant, not open yet. "The Little Pickle" is the new name. still in renovation.

Attached photo(s):
https://westnordost.de/p/70139.jpg

Unable to answer "What are the opening hours of Terranova (Clothing Store)?" for node/6538193208 via StreetComplete 33.2:

closed, but still occupy the place. apparently makeover of some kind.

Unable to answer "What kind of building is this?" for way/94386916 via StreetComplete 45.1:

Museum-like, expositions on plants and wildlife.

Unable to answer "What’s the surface here?" for way/60166926 via StreetComplete 43.2:

Kind of rubber used in playgrounds, and edges are made of stones