The following documentation explains the configuration options of the VP Prime Product List module for VirtueMart.
Configuration

Display
Select the type of products that you want to display. The options are "Featured Products", "Discontinued Products", "Latest Products", "Random Products", "Best Sold Products", "Recently Viewed Products", and "Selected Products".
Products
Customised selection of the products that you want to display. Start typing the name or SKU of the products to select them. This options is shown when you select to display "Selected Products".
Category
Select the desired category for which the products to be displayed.
Maximum Products
Maximum products to be displayed.
Show Price
Select yes to show price.
Displayed Price Type
Select the displayed price type.
Show Categories
Select yes to show categories.
Show Rating
Select yes to show rating.