Amazon Luna is a cloud gaming service developed by Amazon. It allows users to stream and play a variety of video games on compatible devices without the need for high-end gaming hardware. Luna offers different gaming channels, including a subscription service that provides access to a rotating selection of games. Users can play games on devices such as Fire TV, PC, Mac, and select smartphones or tablets. Some features include game streaming at resolutions up to 1080p, support for multiple devices, and the option to link with Amazon's dedicated game controller for enhanced gameplay experience.