Not good at drawing? Draw a hammer! Complete various kinds of graphs with a talkative robot.
* Casual and relaxing.
* Extremly easy to play.
* From black and white graph to colored graph
* From still graph to animation
* From 2D to 3D
* Casual and relaxing.
* Extremly easy to play.
* From black and white graph to colored graph
* From still graph to animation
* From 2D to 3D
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