I am very interested in your project.
I have many experieces of Mobile developments, Java/JavaFx, C/C++, Web developments.
I am full time on freelancer and I can implement all your requirements perfectly.
I am a Unity3D developer for more than 3 yrs now. I do assets like 2D sprites, UI, 3D models and some audio effects. My past projects are platformers, infinite runners(2D & 3D), topdown shooter and my personal project More