A common use case of the Wikidata website on mobile is to open the coordinates in a map app to actually go to the place (for instance to take a picture).

Problem: tapping on the coordinates does nothing.
Proposed enhancement: open the map app (for technical implementation see https://stackoverflow.com/questions/9688607/how-to-open-a-mobile-devices-map-app-when-a-user-clicks-on-a-link)

My environment: Firefox 61.0 on Android 7.1.2