In 2021, the Apple TV app is coming to Chromecast with Google TV, with more Android TV OS devices to follow.
Chromecast with Google TV (HD) - Streaming Stick Entertainment on Your TV with Voice Search - Watch Movies, Shows, and Live TV in 1080p HD - Snow : Electronics
Apple Removes Ability to Buy and Rent in Update to Apple TV App for Android TV and Google TV - MacRumors
Google TV rolling out performance update with app hibernation
Google Chromecast with Google TV - Streaming Entertainment in 4K HDR - Snow GA01919-US - The Home Depot
Review: Chromecast with Google TV boosts your streaming options
Not Interested in an Apple TV? Here Are the Best Alternatives
How to Install Apps on Chromecast with Google TV « Cord Cutters :: Gadget Hacks
Chromecast w/ Google TV costs less than new Apple Remote - 9to5Google
Computers is my new favourite app : r/appletv
How to Cast Apple TV to Chromecast for Easy Viewing