barcelona-js/barcelonajs.org — pull request #4 by drpicox (2013-06-22 10:37:39+00:00)
Title: Added a talk to 'teach' Promises

An alternative is to show another Game engine, but I believe that Promises are mroe interesting for the audience.
(The Javascript http://gogomakeplay.com/ that works in DOM instead of Canvas, and I have used it to build a simple lunar-landing game)