In fact, until now, using Stadia required a PC, a compatible mobile device, or a Chromecast Ultra on a TV: now the capabilities are expanding and will cover the following devices:
Hisense U7G, U8G, U9G series Android Smart TVs, Nvidia Shield TV, Nvidia Shield TV Pro, Onn FHD Streaming Stick and UHD streaming device, Philips 8215, 8505, as well as Android TV OLED 935/805 series, Xiaomi MIBOX3, and MIBOX4.
According to Google, other devices not featured on the list can operate in a so-called “experimental mode”. To do this, the Stadia app must be installed from the Google Store.
Stadia is not yet available in Russia