Phil Spencer, Microsoft’s gaming chief, revealed the company is hard at work building a streaming game service for any device. “Our cloud engineers are building a game streaming network to unlock console gaming on any device,” says Spencer, and the service will work across Xbox, PCs, or phones.

Spencer didn’t give any firm dates on when the service will be available, but he’s previously teased Xbox game streaming within three years. Many have tried and failed to create a game streaming service, and it’s a challenging thing to get right. Sony acquired streaming games service OnLive only to shut it down, and p...