Awesome
Packages for building an Amber OneClick: http://lolgzs.free.fr/AmberOneClick-0.9.1.app.zip
It's based on PharoCore 1.3 and use Zinc as web server.
Packages here: http://www.squeaksource.com/AmberOneClick
Tested on OSX Lion, Windows Seven, last Ubuntu (though you have to launch it through command line on this last).
(Laurent Laffont announcement mail)