Fancy some retro? Transform you iPad back to the time of trivial toys. Enjoy its simple handling to create your oldschool images by one line. No effects, no animations - just two controllers. One is moving the erasing point to the left or right, the second up and down. Combine directions and speed to draw awesome images. Train your motorics, only training makes master :)
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And one last tip - try to improve your skills. You never know when some competition might appear ;)
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