Unity Launch another app from C#(Android)

            bool fail = false;
            string bundleId = com.google.appname; // your target bundle id
            AndroidJavaClass up = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
            AndroidJavaObject ca = up.GetStatic<AndroidJavaObject>("currentActivity");
            AndroidJavaObject packageManager = ca.Call<AndroidJavaObject>("getPackageManager");

            AndroidJavaObject launchIntent = null;
            try
            {
                launchIntent = packageManager.Call<AndroidJavaObject>("getLaunchIntentForPackage",bundleId);
            }
            catch (System.Exception e)
            {
                fail = true;
            }

            if (fail)
            { //open app in store
                Application.OpenURL("https://google.com");
            }
            else //open the app
                ca.Call("startActivity",launchIntent);

            up.Dispose();
            ca.Dispose();
            packageManager.Dispose();
            launchIntent.Dispose();