Unity(Android)で外部のアプリを開く

string appName = "com.TikChoco.Yuna"; //ここに開きたいアプリケーションIDを書く
using (AndroidJavaClass unityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer"))
{
    using (AndroidJavaObject activity = unityPlayer.GetStatic<AndroidJavaObject>("currentActivity"))
    {
        AndroidJavaObject pm = activity.Call<AndroidJavaObject>("getPackageManager");
        AndroidJavaObject intent = default;
        try
        {
            intent = pm.Call<AndroidJavaObject>("getLaunchIntentForPackage", appName);
        }
        catch { Debug.Log("アプリを開けません"); return; }
        activity.Call("startActivity", intent);
    }
}