Could you please help me how to generate the list of category, Item #, Title of my eBay store dynamically.

​I have created custom eBay listing template,shop front design (HTML) for my eBay shop....

In my custom HTML for eBay shop page and listing page I want to add shop category list , Item Name(Title), Item # for selected item.... dynamically.

Also i want to add galley plus feature in my listing template.

thanks in advance for help.