It's not a full-fat virtual reality device like the Rift or Vive, but the addition of head tracking does make it possible to play games with similar immersion. For instance, Polygon used the feature to play both Overwatch and Doom and said that while it took time to get used to, it does make you more precise. The update is available in both the iOS and Android apps and should be fairly easy to get your hardware ready for a good weekend of gaming.