evidence: The Messages app has had reactions that trigger with certain words for some time now, and in iOS 17, Apple is bringing reactions to FaceTime. Rather than being triggered by words, though, the reactions are triggered by gestures. [...] FaceTime on Apple TV With iOS 17 and tvOS 17, you can use FaceTime on the Apple TV. There's a new FaceTime app on tvOS 17, but to use it, you need an iPhone running iOS 17 or an iPad running iPadOS 17 to serve as the camera because the Apple TV doesn't have its own camera.