Stadia controller works on Nintendo Switch with 8BitDo Bluetooth adapter - in case you missed it : r/Stadia
Random: you can use a Stadia controller on iPad if you connect an
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Acrylic Display Stand for Google Stadia Controller - Ireland
8bitdo 2022 New Arrival Ultimate Wired Controller Suit For Xbox
Google Stadia Review
AKNES 8BitDo Pro 2 Bluetooth Wireless Controller for
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Acrylic Display Stand for Google Stadia Controller - Finland
Stadia Controller on Switch 8BitDo v2 : r/Stadia
8Bitdo Sn30 Pro for Xbox cloud gaming on Android (includes clip