(Disclosure, I may receive a small referral fee when you make a purchase through links on this post.)
Oops they did it again! The team that brought you the ability to cast any file from your phone to any device! Not only is this limited to Chromecast, but also to Roku, Apple TV, Xbox 360, Xbox One, Smart TV. Previously, Google blocked this feature when it was first launched. But with the opening of the SDK, the team was able to re-enable this feature. Give it a try now!