Phil Spencer said he’d hesitate to look for a studio that’s only capable of developing games on one device as today the business has shifted from per device to per user, as demonstrated by Fortnite.
He also talked about the synergy between Project xCloud and Xbox Game Pass and how both factored into the increased investment in first party studios.
Source: N4G PC Spencer: I'd Hesitate to Look for a Studio That's Only Capable of Developing Games on One Device