Mobile menu no needs any fix. It’s a bit slow because its have a slide effect on this. For the fast resolve your issues can you send me your login info ? Simply reply this as “Private” and attach your website info, admin user, admin password. We’ll correct it for you.
Please check our demo at: https://themeofwp.com/lastpoint
Here is the mobile menu definition:
Not important if you use navmenu or mobile menu. You should define a menu for mobile menu.
Also here is the fixed version of the woocommerce part:
We sent and update vesion 1.3. Please go to your Appearance > Themes > find the Lastpoint and update it automatically.