1) There is no ready solution, it requests additional customization in files, that are outside the scope of our basic support. As you can see, there is no such functionality on our demos. You can submit your request here – https://www.8theme.com/taskboard/
2) Edit page using Elementor > find a section that is hidden for desktop and shown on mobile, click on Mobile view > settings of Products element > disable “Lazy loading for this element” – http://prntscr.com/10vrjne Check how arrows work then.
