Game App Modification

We have a game app on IOS platform which was build using Cocos 2d Engine. The game app is similar to "Tiny Wings". The project was complete in coding. However, we need an experienced technical person to help us to fine tune the game. Here are some of the core element need to fix on the project. Movement Control Reward system with Score, and Level Up In game purchase The final version we need will be IOS, Android and Samsung, FULL Sources Code Time expect would be around 4 weeks We want an experience developer with game experience so that you understand the document and have a good sense of game flow. We will provide you with all the code that we done so far and the artwork. Check out "Tiny Wing" in app store before you contact us for the project.