When you cast to Roku, you're quickly queuing up content from your phone to play on your TV. First-time set-up requires a few steps.

Before you can mirror your mobile device or computer screen to your Fire TV, you have to activate your Fire TV's mirroring feature. Navigate to the home screen on your Fire TV by pressing the Home ...

Fi, and still stream all of your favorite content to your TV from another device.

Google Play Services shows evidence of an in-development “App Cast” tool. While its full functionality is unclear, it appears able to gather info about remote Android devices and access their ...