If you are looking for an Android/iOS Xbox streaming client, you can try XStreaming.

[Geocld]

XStreaming Mobile is a brand-new application inspired by Greenlight, and it also has a consistently maintained Windows/macOS/SteamOS version (essentially, the desktop version is a fork of Greenlight):

Mobile: https://github.com/Geocld/XStreaming
Desktop: https://github.com/Geocld/XStreamingDesktop

Lastly, we would like to once again express our gratitude to @unknownskl for their research and contributions to Xbox streaming!