Kind of bummed about this...
"Siri is also totally disconnected from Siri on the iPhone — you can’t tell Siri on your phone to play a song or video on your TV, which seems like another huge missed opportunity. And bafflingly, Siri can’t control Apple Music, so asking to play a Taylor Swift song results in nothing. "Sorry, I can’t help you with music," says the screen. Siri says sorry about a lot of things.
And in the biggest oversight, Siri can’t search for apps in the App Store, or even take dictation into the text field of the App Store search screen"