Xbox Cloud Gaming: a practical UK checklist
Check the current catalogue, subscription, device compatibility and connectivity requirements before committing.

Xbox Cloud Gaming streams supported games on compatible devices. For UK players, the useful starting point is the current UK catalogue: establish whether the game you want is included before making plans around the service. A general interest in cloud gaming does not answer that title-specific question.
Next, check the subscription requirements and confirm that your intended device is compatible. Keep these as separate checks, because access to a subscription and support for a device address different parts of the setup.
Finally, compare your connection with the current connectivity requirements. Bring those findings together before deciding whether the service suits your circumstances. Catalogue inclusion, subscription access, device compatibility and connectivity all need to align; none should be inferred from another.