Own a Roku 3 or Roku Streaming Stick? You’ll soon be able to mirror the screen from your Android, Windows Phone 8 and Windows 8 devices. The feature is rolling out in beta on Thursday for select Android and Windows 8.1 hardware; the company expects it to be available to all customers, with support for all three platforms within “the next few weeks.” Similar to Google’s Chromecast, it means you can beam exactly what’s on your screen – not just specific apps or content – and display it for everyone to see on a large-screen TV. To enable it, you’ll first need to go into the Settings menu on your Roku player and select the “Screen Mirroring” option. Once it’s enabled, you can dive into your device of choice (that supports mirroring) and begin streaming. The setup is slightly different for each platform, but Roku has posted a few guides to get you started (Android, Windows 8 and Windows Phone 8).