Distributing with App Center
Aside from the build, test, and telemetry collection features of App Center, the main feature of App Center is that you can manage the distribution of prerelease applications, as well as automating submissions to public and private App Stores.
App Center releases
Once the application package has been pushed from the build pipeline to App Center, an application release is created. This release represents a version of the application package. This package can be distributed to a distribution group within the current distribution ring or an external distribution target:
When a release is created, it can be accessed by the collaborators group (that is, developers who have management access to App Center).
AppCenter distribution groups
Distribution groups are groups of developers and testers that an application release (environment- and platform-specific versions of the app) can be...