Both Previews require Xbox Game Streaming app, supported Android phone or tablet (mobile data charges may apply), supported controller with Bluetooth, and Microsoft Account with Xbox profile. Previews are invite-only. Some games and online multiplayer require Xbox Live Gold, membership sold separately. Project xCloud (Preview): Initially 4 games available, with more to come over time. Access to games in the Project xCloud (Preview) ends with the Preview. For system requirements and to sign up for a chance to join the Preview see xbox.com/gamestreaming. Invites may be sent out up to several months after registration. Registering does not guarantee you entrance in the Preview. Xbox Console Streaming (Preview): Includes participating Xbox One games. Preview requires Xbox One console turned on or in Instant-on mode, and high speed internet (ISP fees may apply). Learn more about the Preview and system requirements at xbox.com/gamestreaming.