Dear sir,
I can de perfect your game.
I use Unity-3d, Cocos-2d and Cocos-2dx
For design, I use Maya.
The design is very important in developing game.
I can 3D, 2D design, character design, animation design.
If you hire me, I will faithful to you and your game.
I can also provide dev plan.
I am sure I will finish your game in your deadline.
Best Regards.