Connecting a PC to a television isn’t exactly a revolutionary idea. Ditto for a mobile device – it’s harder to do now that dedicated HDMI ports are gone, but streaming screens and content via Chromecast has sort of filled the gap.
[Update: New Remix IO+ model] Jide’s newest Remix IO gadget doubles as a desktop and an Android TV box, now on Kickstarter was written by the awesome team at Android Police.