public static void OpenLocalFile(string filePath, DisplayOptions displayOptions)
{
#if UNITY_IOS && !UNITY_EDITOR
var path = InAppBrowser.PathCombine(Application.streamingAssetsPath, filePath);
iOSInAppBrowser.OpenURL(path, displayOptions);
#elif UNITY_ANDROID && !UNITY_EDITOR
AndroidInAppBrowser.OpenURL(filePath, displayOptions);
#endif
}