Hello ,,
I am ready to do this work now with high quality. When I deal with the Unity Developer game and VR, your project is directly my main interest and experience. I've done a lot of similar project for you Wii Remote with Bluetooth controller or daydream controller or Google VR, HTC Vive , Samsung Gear VR
This evening I finished a project similar to your project, Works on a daydream controller
project link:
https://www.freelancer.com/projects/unity-3d/need-unity-developer-about-bluetooth/
what type of device you have
With Regards.