https://www.cnet.com/news/apple-tv-app-coming-to-macs-smart-tvs-in-2019/

"We know you're going to want this experience on every screen in your home. We're bringing the Apple TV app to smart TVs," Stern said. It'll begin with Samsung TVs this spring then move to LG, Sony and Vizio TVs afterward, he said.

Roku and Amazon Fire TV streaming-video devices also will be supported. Apple made no mention of Android and Windows devices, though.