Microsoft Teams is a platform for apps. There are several ways to bring apps available to your users and users can even bring their own apps to the environment.
Should there be some governance as well?

In this session, we will take a look at how to manage and publish apps to your users, how to bring your organization's custom apps to Teams and what are app templates. We will explore Teams settings for apps, Teams app policies, and recent app store functionalities.

At the end of this session, you will understand the capabilities to manage apps in Teams and what are the options to bring custom apps to Teams.