Razer Control Kishi v2 para videojuegos para Android​​ 

Yes, this is compatible with the Galaxy S21. Learn more about the compatibility here: https://mysupport.razer.com/app/answers/detail/a_id/6102/~/smartphones-and-mobile-devices-supported-by-the-razer-kishi-v2 -Joseph

Yes. The grip can now be transformed into a smaller size to fit the fold 3 in either landscape or portrait orientation. Adapter that allow you to use the Razer Kishi with the fold 3. You will need to a short USB c cable and to modify the rubber inserts that came with the Kishi. Get yours here: https://espanol.verizon.com/products/razer-kishi-v2-gaming-controller-for-android/ ~Maria