Gyroscope.attitude
var attitude: Quaternion;
Quaternion attitude;
attitude as Quaternion
Description

Returns the attitude (ie, orientation in space) of the device.

	// Rotate the object to match the device's orientation
	// in space.
	function Update () {
		transform.rotation = Input.gyro.attitude;
	}
using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void Update() {
        transform.rotation = Input.gyro.attitude;
    }
}
import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Update() as void:
		transform.rotation = Input.gyro.attitude