MobiPromo is an online mobile app builder that you can use to create a mobile app for your WordPress website.
This plugin makes it easy to verify that you are the owner of a WordPress website you want to use in a MobiPromo mobile app. The mobile app itself can be created and configured at https://getmobipromo.com/ – it's easy and free!
It will add a meta tag to the head section of your web pages with a key that you obtain when you create your MobiPromo mobile app.