void OnRateButtonClick(){ #if UNITY_ANDROID Application.OpenURL("market://details?id=YOUR_APP_ID"); #elif UNITY_IPHONE Application.OpenURL("itms-apps://itunes.apple.com/app/idYOUR_APP_ID"); #endif }

Ref: http://answers.unity3d.com/questions/17347/any-examples-of-an-iphone-like-scrollview-using-un.html   using UnityEngine; using System.Collections; public class scrollView : MonoBehaviour { Vector2 scrollPosition; Touch touch; // The string to display inside the scrollview. 2 buttons below add & clear this string. string longString = "This is a long-ish string"; void OnGUI () { scrollPosition = GUI.BeginScrollView(