Exended tuiodroid to also send inertial sensor data via google protocol buffers
This code was used in the following academic paper:
N.Katzakis, R.J. Teather, K. Kiyokawa, H. Takemura - INSPECT: Extending Plane-Casting for 6-DOF Control. Human-centric Computing and Information Sciences. Springer. 2015, 5:22 doi:10.1186/s13673-015-0037-y