Karel is a robot in his town. You can define new commands and Karel will execute them.
You can create your own commands to execute complex tasks.
It was designed for tutorial of programming skills and as a toy.
Other information on introduction.
You can ask by e-mail or see Frequently Asked Questions.
Karel can be localized including commands keywords of Karel language.
So you can write your command scripts in your native language.
If you would to translate some pages or application to any language write me
please to silhanek (at) users.sourceforge.net .