How to have folders display on mobile

Site URL: https://www.revenyou.com.au/

Hi SP Family,

We recently built our website - www.revenyou.com.au. Used version 7.1.

I built the site using folders and then within the folders I added pages. 

I made the folders so that they would like to pages that were not linked as we don't have the indexing option anymore.

Now, the issue is when you go onto mobile, those folders do not display so in essence those header menu items are not displaying on mobile. I know this is due to the fact that they are in "not linked" and I can move them back but how do I get my folders then to have information for the readers? 

For example

About Us is the Folder - has the "why use us" and "the team" 

And then another page as "industry awards etc"

QUESTION: How do I make my folders visible on mobile?