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Wes Straham wrote:

Wow, you did a lot of work!  I would have never known which theme you made those with :)

I think the easiest way is to follow a basic tutorial to add the responsive menu, or use a plugin rather than puling it from the Optimal Theme.  Most of the tutorials out there usually work with all Genesis Themes.

If you do a Google search for "Genesis Responsive Menu" you'll see some examples like this -

http://robincornett.com/genesis-responsive-menu/

https://designnify.com/en/genesis-responsive-navigation-menu/

NO LONGER AVAILABLE:
http://ozzyrodriguez.com/tutorials/genesis/genesis-responsive-menu-2-0/ (Updated on July 20, 2016) (used this one on tuts.askdesign.biz and works!)
http://wpbacon.com/tutorials/genesis-responsive-menu-2-0/ (same as ozzy's above)

Post Link: http://appfinite.com/topic/how-to-update-optimal-with-the-new-version/#post-17716

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https://sridharkatakam.com/links-tutorials-mobile-responsive-navigation-menus-genesis/

I see this question coming up in various Genesis community channels repeatedly and want to collect all links related to achieving mobile responsive navigation when using Genesis here.

How To Add The Coolest Off Canvas Mobile Menu In The World To Your Genesis Theme by Tony Eppright on May 6, 2014

http://coolestguidesontheplanet.com/using-slick-responsive-menus-genesis-child-theme/

http://bradpotter.com/responsive-mobile-navigation-menu-for-the-genesis-theme-framework/

http://www.sridharkatakam.com/make-header-menu-genesis-mobile-responsive-similar-beautiful-pro/

http://www.sridharkatakam.com/make-header-menu-mobile-responsive-outreach-pro/

http://www.diywebmastery.com/3838/mobile-responsive-hamburger-menu-genesis

http://youneedfat.com/genesis-responsive-design-menu/

http://daan.kortenba.ch/proposing-a-responsive-hamburger-style-mobile-menu-for-genesis/

http://www.sridharkatakam.com/adding-responsive-side-menu-genesis/

http://blackhillswebworks.com/2013/08/16/how-to-add-a-mobile-responsive-menu-to-your-genesis-wordpress-website/

http://www.rickrduncan.com/genesis-tutorials/combine-menu-responsive-design

If you know any other related links, leave a comment and I shall add in the list above.

Source: http://www.studiopress.com/forums/topic/creating-menu-icon-for-smaller-devices/#post-83932