unity android make object folow toutch
// Moves the object according to finger movement on the screen
var speed : float = 0.1f;
function Update()
{
if(Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Moved)
{
//Get movement of the finger since the last frame
var touchDeltaPosition : Vector2 = Input.GetTouch(0).deltaPosition;
// Move object across the X and Y plane
transform.Translate (-touchDeltaPosition.x * speed, touchDeltaPosition.y * speed, 0);
}
}