Yung-Chiang Tu

~~~Top education app around the world! over 10,000,000 downloads since 2002!~~~~~~Hundreds of awards

Tired of boring,flat 2D doodle? Wanna more fancy in full three dimensions. That's what "Kids Doo

Tired of boring,flat 2D doodle? Wanna more fancy in full three dimensions. That's what "Kids Doo