Unity Mobile 3D Adventure

I’m building a 3D action-adventure title in Unity that will run natively on Android and iOS. The core concept and narrative arc are already fleshed out; what I need now is an experienced Unity developer who can turn that vision into a smooth, touch-friendly experience... (Budget: $250 - $750 USD, Jobs: 3D Animation, 3D Modelling, Android, C# Programming, iPhone, Mobile App Development, Unity, Unity 3D)