OriSim3D

Origami simulation, see paper fold in 3D with OpenGL.
This small application does not require Internet connection.
Hen, duck boat, swan are the first models.
Touch with one finger to pause, rotate, or continue.
Touch with two fingers to zoom and rotate. Touch tap to reverse folding.
Icons allow you to change the pattern of paper.
For this first version free, open source, all comments are welcome.