https://www.androidauthority.com/doubletwist-airplay-android-apple-tv-766182/
You can once again AirPlay Android devices to Apple TV with doubleTwist
Apr 21, 2017 - The Apple TV tvOS 10.2 firmware update blocked 3rd party apps from supporting AirPlay, but the doubleTwist Pro app provides a way around this.
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https://www.androidauthority.com/tag/apple-airplay/
Apple AirPlay - Android Authority
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https://www.engadget.com/2011-04-19-sonos-adds-airplay-support-as-android-controller-app-hits-the-ma.html
Sonos adds AirPlay support as Android Controller app hits the Market
Apr 19, 2011 - For months we've been wondering aloud how Sonos would respond to Apple's September AirPlay announcement. After all, Apple's promise to "stream music throughout...
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