Unity Android Tutorials: Multi Touch Input

using UnityEngine;

using System.Collections;

public class TouchTest : MonoBehaviour 

{

    void Update () 

    {

        Touch myTouch = Input.GetTouch(0);

        Touch[] myTouches = Input.touches;

        for(int i = 0; i < Input.touchCount; i++)

        {

            //Do something with the touches

        }

    }

}

For Youtube Video
Multi Touch Input