Sony hasn't made it easy for non-Sony devices in general to connect to its 4K Ultra HD Smart LED TV with Android. However, the Sony Xperia Z4 is chock full of options to connect to this TV. If you want something convenient, Miracast allows you to wirelessly mirror your Xperia's Z4 screen on the Sony 4K TV. Click here to find out more on wireless screen casting on the Sony Xperia Z4. To play high definition movies from your Xperia Z4, Miracast doesn't work that well so use MHL instead. Click here to learn more about using MHL between the Xperia Z4 and the Sony 4K TV. You can also use your Xperia Z4 to control your Sony 4K TV to play Android apps like YouTube and Hulu through Chromecast. Sony also has their own Xperia Z3 remote control over Wi-Fi app which is well integrated into the Sony 4K TV. Click here for more information. Sony uses NFC technology to make it easy to connect the Xperia Z4 to the Sony 4K TV. See how easy it is to use here. The rich functionality that Sony has put into their Xperia's Z4 Phone to control and play content on their Sony 4K Android TV compensates for the lack of interoperability with products outside of Sony. Similar to Apple and Samsung, Sony has been created an ecosystem products that work well with each other to provide a great user experience as long as you stay within that ecosystem.