Google's cloud gaming ambitions with Stadia have been off to a rocky start mainly due to its country and device limitations. Now, Google is bringing experimental support for more smartphones which means as long as your phone can download the Stadia app, you're good to go. Once you have the app up and running, you'll need to head over to the Experiments tab in the settings where you should see a "Play on this device" option. Google is not listing any specific device requirements here so it's still not exactly certain which phones will be able to fit the bill. In addition, 8 more OnePlus...
Source: https://www.gsmarena.com/google_stadia_will_now_work_on_most_android_phones-news-43735.php
