Microsoft has had difficulty creating the user experience it desires with its Cloud Gaming app on Apple devices due to Apple's requirement that users download each game available to play on Microsoft's cloud offering. As a result, Microsoft has instructed users to sign in through Safari and follow instructions, which is less convenient than downloading an app from the App Store. Microsoft's efforts to establish its own app store for games are not unexpected, given Apple's restrictions on downloads and in-app purchases on its devices.
Author
-Anurag