With mobile devices sporting big, beautiful touchscreen displays, it only seemed natural to expect that Google's Stadia gaming platform would one day support this input method as a way to play. Although Google hasn't made any official announcement about such a feature, Redditor SmashShock was able to hack together a working version of mobile touch controls for Stadia that they're calling TouchStadia.
This obviously isn't the most ideal way to play Stadia. In fact, depending on the game, trying to tap R/L buttons and A/B/X/Y buttons with a single thumb is downright frustrating. However, this method is currently the only way to use Google's cloud gaming service on a mobile device without having to physically connect a Stadia Controller or link a Bluetooth controller. If you'd like to enable TouchStadia on your compatible mobile device, you'll have to follow the steps outlined in this video: