Thanks for contacting us and choosing our product!
About this issue you need go to Appearance -> Menus and set a menu Location for Mobile Menu. https://prnt.sc/xz8hr1
We see you already set it and now your menu is working fine.
Here is the document: https://document.harutheme.com/vidio/ https://document.harutheme.com/vidi/
Video tutorial: https://www.youtube.com/channel/UCnOxXtfrkgq92wgqJCBi55g/videos?view_as=subscriber
In our theme have a notice that Page Options will override Theme Options. You can understand more about it follow this topic: https://harutheme.com/forums/topic/why-theme-options-doesnt-apply-changes/
Here is the topic to help you manage Footer: https://harutheme.com/forums/topic/how-to-manage-footer-in-harutheme/
If you have other issues please search on our forum first for the quick solutions.
Hope this helps!