I might be missing something here, but there looks like there aren't enough customization features for mobile menus.
You really only have the options to change the colors of a menu, text size and leading, and that's it.
How about including an image alongside each project? Or an icon? Transparency? Using gradients as a a background color? I personally would love to add some lines separating each menu. But what I'm saying is just more personalization.
Apologies if I sound naggy, but love the theme! Works wonders and really intuitive to use.