Just to add EULA references also. Update in March.
B
vi. 1. FOR INDIVIDUALS BASED IN THE EUROPEAN ECONOMIC AREA: As an integral part of its End User License Agreement (EULA), Microsoft agrees to allow Consumers to play, solely for their personal use, Eligible Games on a Streaming Service on any device that they own, as defined in and pursuant to the Commitments entered into by Microsoft and made legally binding by the European Commission in its decision under Article 8(2) of Regulation (EC) 139/2004 in case M.10646 – Microsoft/Activision Blizzard. See https://www.xbox.com/en-US/legal/activision-blizzard-cloud-game-streaming-eu.
C
v. 1. Cloud Computing: Subject to 1.B.vi hereof, use the Platform, including a Game, in connection with any unauthorized third-party “cloud computing” services, “cloud gaming” services, or any software or service designed to enable the unauthorized streaming or transmission of Game content from a third-party server to any device. For the avoidance of doubt, this Section 1.C.v does not prohibit the use of any service that has been authorized by Blizzard.