His method utilized a modified HDMI-to-VGA adapter. From the looks of it, apps like music for Google Play, Pandora, and Music All Access seem to able to be streamed through this device.

Contrary to what continuum says (he's usually spot on, though), it's quite normal for a HDMI to VGA adapter to be fairly warm. Ballpark figure for a HDMI to VGA decoder is around 200 mA at 5 volts.

An Apple spokesperson told The Verge that Lightning to HDMI and Lightning to VGA cables “will be available in the coming months.” by Sean Hollister Sep 13, 2012, 4:07 PM PDT ...

Both HDMI and VGA output connections are active at the same time, therefore HDAiR receiver could be used to power up 2 displays at the same time with identical content.

Laptops or desktops stuck with only VGA output often need a little help to get their content onto an HDTV, and Atlona is there for them. It's introducing another in a storied line of HDMI adapters ...