Unable to answer "How many car lanes does this road have?" – Bělohlávkova (Residential Road) – way/1257948429 via StreetComplete 58.2:

This is a pedestrian - only walkway.

"This bussiness has been replaced by a computer store at the same address"
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2024-06-13T18:38:33Z
POI name: Honzasport
POI types: shop-bicycle
#organicmaps android

I believe the subdivision around Valhalla Dr was annexed into Ann Arbor. This article discusses the upcoming construction in the area, as well as the annexation:

https://annarborobserver.com/a-new-valhalla/

"Wrong location"
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2024-06-13T18:38:33Z
POI name: Bezpečnostní informační služba
POI types: office-government landuse-commercial
#organicmaps android

"This is not a cafe, but the name of a shopping mall."
The place has gone or never existed. A user of Organic Maps application has reported that the POI was visible on the map (see snapshot date below), but was not found on the ground.
OSM snapshot date: 2024-06-13T18:38:33Z
POI name: Galerie Butovice
POI types: amenity-cafe
#organicmaps android

"Shopping mall"
OSM snapshot date: 2024-06-13T18:38:33Z
POI name: Galerie Butovice
POI types: shop-department_store internet_access-wlan
#organicmaps android

This seems to be a duplicate of Pizza Bob's