You can configure plugin very easy.
Open plugin configure page. You can set a lot of settings. You can show 'Contact Us' form, 'Product Reviews' form, 'Product Specifications' form, 'Related Products' form.
Open the list of tabs.
Each tab has a lot of settings.
The list of products was attached to the 'Tab'.
The list of categories was attached to the 'Tab'.
The list of manufacturers was attached to the 'Tab'.
Each product. category, manufacturer has new Tab 'SpeedTab' in Admin mode.
Customer will see the tabs.