Use the statically typed DOM API.
Upgrade to Scala.js 0.5.0 and Scala 2.11.1.
Use the automatically generated launcher.
Call it Vipion.
First implem of Vipion.
Add a cache to speed up the AI.
Add randomization of AI for equaly good moves.
Remove VipionGame.toString().
Add rudimentary test suite.
Cross-browser compat.

Ironically, by getting rid of js.Dynamic.
Upgrade to Scala.js 0.5.4 and Scala 2.11.2.
No AI.
Remove the parts intended for live coding.