The Razer Kishi is clip-on controller compatible with a huge range of Android phones that support USB-C. This is why I think it
Razer's new Kishi controller gets ready for xCloud with dedicated Xbox buttons
Razer Kishi smartphone gamepad review: who needs a Switch? - Phandroid
Excellent Razer Kishi Phone Controller Gets Steep Discounts For iPhone And Android - GameSpot
Razer Kishi Review: A Must-Have Accessory For Xbox and Android Gamers
The Razer Kishi V2 controller is bringing better controls to mobile gaming
Kishi V2 review: Razer takes notes from the competition [Video]
Razer Kishi V2 launches: Here's the info you need - Android Authority
Razer Kishi Controller Review: The Best Android Gamepad I've Ever Used
New Razer Kishi Smartphone Controller Makes Playing Project XCloud Games More Fun - GameSpot
Razer Kishi V2 review - GadgetMatch