Squeak Etoys is a "media authoring tool"-- software that you can download to your computer
and then use to create your own media. You can write out your project and share it with others.
Etoys runs on any Mac or Windows machine, as well as on the OLPC XO machine.
It is free.
Find out about Etoys.
Text of this guide (for searching): Try it. Click and drag the red dot. Supplies: Joystick Remote Control. Create a drawing and a script.
Click on a joystick in Supplies and open a Viewer for it. Click basic to find special joystick tiles. Combine tiles; use the bright green outline to line up the two tiles.