Unable to answer "Does this crosswalk have tactile paving on both ends?" – Unmarked Crossing – osm.org/node/11502840744 via StreetComplete_ee 61.1:

There is no crossing there. On the church side is a taxi stand, opposite are four bus stops in a row. Not safe to cross here.

Unable to answer "What’s the surface firmness of this track?" – Track / Land-Access Road – osm.org/way/521213039 via StreetComplete_ee 57.4:

This is a wooden bridge, not a road

Unable to answer "What type of bollard is this?" for osm.org/node/4311213689 via StreetComplete_ee 55.11:

Road has been reconstructed, only the road north of this still exists

Attached photo(s):
https://westnordost.de/p/191431.jpg

Unable to answer "What’s the house number of this building?" for osm.org/way/112449495 via StreetComplete_ee 55.11:

this is multiple attached houses, numbers 2,4,6,8,10,12

Unable to answer "What’s the house number of this building?" for osm.org/way/112449498 via StreetComplete_ee 55.11:

multiple semi-detached houses, numbers 14,16,18,20,22,24

Unable to answer "What’s the house number of this building?" for osm.org/way/112449479 via StreetComplete_ee 55.11:

this is multiple attached houses, with numbers 1,3,5,7,9,11 (divided equally)

Unable to answer "What’s the house number of this building?" for osm.org/way/112449478 via StreetComplete_ee 55.11:

multiple semi-detached houses, numbers 13,15,17,19,21

Unable to answer "How many car lanes does this road have?" for osm.org/way/1210801093 via StreetComplete_ee 55.11:

one-way road. left lane is bus waiting and loading area, middle lane for cars, right lane buses only

Unable to answer "What’s the surface here?" for osm.org/way/339381134 via StreetComplete_ee 55.11:

this is a non-public way with all access blocked

This building has been extended to all the way in the back, there is no backyard anymore.

The image at https://warnochwas.de/index.php/s/x7ZsJgJkDHTm8XG explains it better (that is supposed to be a straight line).

The front part (the currently mapped building) consists of three floors plus a rooftop flat, the back part (not currently mapped) is only on the ground floor.