AR Camera GYRO: Augmented Reality for Unity
Demo Scene with Unity Assets: 
AR Camera GYRO & AR Shadow
Demo of Gyroscope behavior
AR Camera GYROuses the camera and gyroscope on the player's mobile device to display 2D or 3D objects as though they were in the real world.
Note: Cross-platform mobile camera implements markerless augmented reality (AR) by using a gyroscope like Pokemon GO.
Get AR Camera GYRO: 
https://goo.gl/cQmuCS
