static public void SetTimeSpanEncrypted(string key, TimeSpan value)
 {
     PlayerPrefsExt.SetStringEncrypted(key, value.Ticks.ToString(CultureInfo.InvariantCulture));
 }
 static public void SetLongEncrypted(string key, long value)
 {
     PlayerPrefsExt.SetStringEncrypted(key, value.ToString(CultureInfo.InvariantCulture));
 }