Abstract— We propose a method to implement anintuitive computer graphics authoring system on tiny mobile devices. Current mobile devices’ computing power is not enough to render realistic 3D objects; therefore, we employed the client/server architecture. The mobile client plays a role to handle user interactions and transmit data to/from the server whereas the server is responsible for all heavy transactions such 3D graphics rendering and evolutionary computing. We also adopted a 3D authoring method based on interactive evolutionary computation (IEC). It allows users to intuitively produce high quality graphics contentsby evolving a set of 3D models using genetic algorithm (GA). The proposed system enables the users to easily design 3D graphics contents by using mobile devices anywhere at any time without sacrificing visual quality of the 3D models.