The animation system program is used for creating simple, so called cardboard, animations. These animation contain of several shapes "pinned" with each other to create hierarchy. For animating a piece you need to specify key-frames, the program than computes all in-between frames. This way you can create somewhat priety animations.
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File: anim.zip
After downloading
Unzip file to whatever folder you want - and you're done: you can start a program by running a file anim.exe. Documentation is in Help folder, main file default.html.