Xbox has revealed that it is testing a feature on its PC app that allows users to access third-party launchers, such as Battle.net and GOG Galaxy, directly from Microsoft's own app on supported ...

The Xbox app is now available on all Arm-based Windows 11 devices, enabling players to now download and enjoy a wide range of titles from the Xbox PC app game catalog  on Arm-based Windows 11 devices.

TL;DR: Microsoft's new Xbox PC app update introduces an aggregated gaming library, allowing users to launch and manage PC games from multiple storefronts like Steam and Battle.net in one place.