With nb187 (perhaps previous too) on an Android 8.1 Marker Infobox shows/hides; Polygon/Rectangle does nothing. 
using Scoped App or Legacy
nb187MapTest.aia (2.1 KB)
Thanks for the report @SteveJG. I just tested this on the 2.60u companion and it also didn't work, so this bug has been in the system for at least two releases now. I'll file an issue.
Edit: Issue tracking the development is here:
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