added CameraScaler, so the camera has a fixed width on all resolutions (only height changes)

Assets/Scripts/CameraScaler.cs

+using UnityEngine;
+using System.Collections;
+
+public class CameraScaler : MonoBehaviour {
+
+  // Use this for initialization
+  void Start () {
+    Camera.main.orthographicSize = 8.5f / Screen.width * Screen.height;
+  }
+  
+}

Assets/Scripts/CameraScaler.cs.meta

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