jQuery SooperFish is a mobile & touchscreen friendly drop down menu script. The script supports multi-column sub menus by automatically dividing menus into 2 or 3 columns when the number of items in a sub menu exceeds a configurable limit.
Responsive Mobile & Touch screen friendly drop down menus
With the 0.3 update touch-friendly sub menu toggling is added. For optimal touchscreen support you have to change your HTML to support non-link parent menu items. This is done by using span tags instead of a tags for parent menu items that contain sub menus.