I checked your site and don’t see problems with the mobile version of your site.
It loads ok and also menu, cart icons work fine https://recordit.co/yxYtuXpJgU
What plugins do you use? Provide us with WP Dashboard access to check your settings and list of plugins. Keep enabled only those plugins that you really use. Disable all the other plugins.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.