<a href="https:&#x2F;&#x2F;developers.google.com&#x2F;cast&#x2F;" rel="nofollow">https:&#x2F;&#x2F;developers.google.com&#x2F;cast&#x2F;</a><p>As the author states, the Chromecast basically just displays a webpage.  There are a large number of APIs available.  Get hacking!