Microsoft Teams is the central collaboration hub for users. It is cited as being the fastest growing product, in terms of user adoption, of all of the Microsoft products throughout its history. For Office 365, Microsoft Teams provides a window to all of the productivity tools that your users need; therefore, it makes sense for you to allow your users to interact with your PowerApp without ever leaving Teams. This can be achieved by adding it as a tab.
As a brief introduction to Microsoft Teams, collaborative areas are broken down into high-level areas called teams. Behind the scenes, Teams creates a SharePoint site and an exchange mailbox to provide the key collaboration and communication tools that have made Microsoft Teams so successful. These teams are then broken down into sub-areas called channels, which allow you to separate out your conversations and files. An example is shown in the following screenshot, where we have individual channels for infrastructure and...