Possibly a new Event management app in the works?

A mysterious app has shown up in the list of available apps several months ago called "Outlook Events", published by Microsoft, so being curious I tried adding it to Teams. Unfortunately, while a nice looking app screen appears briefly, it blanks almost immediately and returns an error that the app is "...not yet available in your region". I'm in NA/US.

Does anyone know what this app is? I can find nothing online about it anywhere w/in the context of Microsoft. At some point a while ago I did a reverse image search on the app icon and it came back as some third party event app, but I can no longer find anything about it. Wish I had recorded the name of the app. Screenshots attached for anyone interested.