The Xbox PC app now allows users to manually add games and apps to their library, bringing it closer to Steam.

You can now add third-party games to the Xbox app on PC, a feature that feels tailor made for Microsoft's Project Helix console that plays PC games.

Microsoft is hoping to turn the Xbox app into the one-stop destination for players to launch games on PC and Windows handheld devices, pushing an update that integrates titles from other major gaming ...