Some friends and I work at a startup called Game Closure that just released its first version of our development kit. It's an open-sourced professional HTML5 game creation toolkit that targets the web, iOS and Android platforms. There's a lot of exciting new technology built into our software!
Check out the trailer video here:
http://www.gameclosure.com/blog/?p=177
I hope that you all find the devkit helpful for future games you work on. JavaScript and HTML5 game development is definitely a mature and rapid way to put out beautiful games on a lot of platforms now, in our opinion. Do you agree? =)

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