Corsair's K83 wireless keyboard offers you a variety of ways to interact with whatever you connect it to in its brushed aluminium shell.  Not only do you get the standard keys, there is a large touchpad with laptop style buttons and a joystick at the top, all of which can be programmed with iCUE.  This should help you interface with even the most poorly designed GUI, or well designed ones which support gestures, TechPowerUp offers a list of compatible TVs and other devices in the full review.

"The CORSAIR K83 Wireless keyboard attempts to be an integral part of your living room, bringing with it a deluge of relevant features. Multiple connection options and modes give it a role with many host devices, including PCs and smart TVs, with navigation in the form of a keyboard, touch pad, and even a joystick to boot."

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