Ball maze android issues

Hi,

I'm making a basic ball maze for android and have been looking at the c# game example on the asset store. On pc it works fine but my android controls dont seem right...the left/right tilt seems backwrds and forwards/backwards is completely messed up resulting in the ball floating and bobbing around...

I want to be able to tilt the phone and roll the ball around the maze, any help is much appreciated!

Thanks.

using UnityEngine; using System.Collections;

 public class MarbleControl : MonoBehaviour {
 
     public float movementSpeed = 6.0f;
     
     void Update () {
         Vector3 movement = (Input.GetAxis("Horizontal") * -Vector3.left * movementSpeed) + (Input.GetAxis("Vertical") * Vector3.forward *movementSpeed);
         rigidbody.AddForce(movement, ForceMode.Force);
         
         //Android controls
 //    controller = GetComponent(CharacterController);        
         Vector3 dir = Vector3.zero;  //Android controls - accelorometer
         dir.x = -Input.acceleration.y;
         dir.z = Input.acceleration.x;
 //        dir.y = 0;
         //clamp acceleration vector to unit sphere
         if (dir.sqrMagnitude > 1)
             dir.Normalize();
         //move at meters/second instead of per frame
         dir *= Time.deltaTime;
         
         transform.Translate(dir * movementSpeed);
         //move ball
         //controller.Move (dir * movementSpeed);
     }
 
     void OnTriggerEnter  (Collider other  ) {
         if (other.tag == "Pickup")
         {
             MarbleGameManager.SP.FoundGem();
             Destroy(other.gameObject);
         }
         else
         {
             //Other collider.. See other.tag and other.name
         }        
     }
 }