Works with: iOS, Android (Separate models) While streaming makes mobile gaming easier than ever, the reality isn't always glamourous. You'll often find the best experience with the latest console hardware, foremost designed for the living room and boasting ergonomics with years of refinement. But our Razer Kishi review proved it's an exception, designed with considerations for smartphones, and positioned among the best controllers out there. Emulating the charm of devices like the Nintendo Switch, the Razer Kishi works around the confines of your screen. It mimics the Joy-Cons of the best-selling handheld, comprised of two modules that sandwich your device from the sides. The result is easy to hold, solving the ergonomic issues many rivals face, while also maintaining a sturdy grip on your phone.