If you own an Amazon Echo, controlling your lights or thermostat with a voice command may not seem all that new. However, Google Assistant brings the Chromecast, and any other google cast-enabled devices, into the fold. With Assistant, you’ll be able to say “Play Luke Cage,” for example. Google will automatically figure out that you want to play the show Luke Cage, through the app Netflix, on the Chromecast that’s on your Wi-Fi network.

It’s unclear just yet how this will work if you have multiple Google Cast devices. So far, we know this feature will be enabled in Google Home, but hopefully it will at least come to the Pixel phone as well.
Google Assistant will also be able to control smart home devices like those from Next, Samsung Smart Things, and Philiphone, or just the Google Home speaker, but both would be amazing.philips Hue. Those are just the partners that Google announced at launch, but presumably more will follow. Once again, it’s unclear if Google will let you control these devices from your phone, or just the Google Home speaker, but both would be amazing.