Unable to answer "What kind of building is this?" – Building – way/1298860998 via StreetComplete 60.3:

This is a library and I will be adjusting this manually in OSM

Unable to answer "This shop has been vacant. What’s here now?" – house number 6108: Retail Building – way/201983027 via StreetComplete 60.3:

One business has been converted to 2 separate businesses, a lounge and a pizzeria