Thanks to help received here I have located my previously lost project (peekler) in Google Cloud and can see on its Datastore page all the Entities with their tags and data stored there. There is an App Engine associated with it, so it seems as though I should be able to store and retrieve data from it .
If I try to access from AI via TinyWebDB using the theoretical https://peekler.appspot.com URL, a simple Store/Get test fails, even though writes are enabled.
Obviously, I’m missing something here and I’d appreciate any help in finding a way to solve the problem. Thank you.