"Hattendo Cafe"
POI name: Tanjong Pagar Centre
POI types: building
OSM data version: 2017-06-09T16:24:09Z
#mapsme

"Fried Kway Teow (carrot cake - Chai tow kueh)"
POI name: Fried Kway Teow (carrot cake - Chai tow kueh)
POI types: amenity-fast_food
OSM data version: 2023-08-19T03:34:12Z
#mapsme

In context of "Shops" overlay for node/4725018638 via StreetComplete 53.3:

In the building 78 it seems now there is a restaurant called GOTTI

Hotel

This is Ang Siang Hill, previously known as Scott's Hill

"Doesn't exist anymore"
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: 2023-11-13T21:29:23Z
POI name: Monochrome
POI types: amenity-restaurant
#organicmaps ios

공짜 (OSM data version: 2016-09-19T14:38:03Z) #mapsme

TMW Gallery

"the library - cocktail bar with password"
POI has no name
POI types: building
OSM data version: 2017-06-09T16:24:09Z
#mapsme

A Noodle Story has moved here