url:Scratch is a new programming language that makes it easy to create your own interactive stories, animations, games, music, and art -- and share your creations on the web.
Scratch is designed to help young people (ages 8 and up) develop 21st century learning skills. As they create Scratch projects, young people learn important mathematical and computational ideas, while also gaining a deeper understanding of the process of design.
Scratch is available free of charge.
http://scratch.media.mit.edu/
download zip file
settings stored in .ini file, but i am not 100% sure about portability, pls check