Hi chltech,
Thank you for contacting to support service.
For your issue, the default design of this theme is to disable vertical menu on mobile version. So if you want to display this, please contact to customized services. They will help you. Just because this belong to customized work and it is out of the support ability.
This is the form to contact to customized services: http://support.ovicsoft.com/services/customized
Best regards,
Yame