We’re all used to ‘popping out’ our Teams chats and Teams meetings into their own windows. Both these features are great as they allow you to carry on using the main Teams apps.
You can now ‘pop out’ Teams apps into their own window:
To ‘pop out’ your app, either right-click on the app from the ‘More added apps’ (…) button in the left-rail and click on ‘Pop out app’ from the menu:
Or if the app is pinned to the left-rail, right-click on its button and click on ‘pop out app’ from the sub-menu: