Simply add the block to a page and enter the addon handle you want to showcase, and tha's it.

To add sections content add subpages and select "Show Sub-Pages" in the edit dialog.

The edittion dialog will let you enter different text for the description/short description/review page.

WARNING: THIS ADDON REQUIRES YOUR WEBSITE TO BE CONNECTED TO THE COMMUNITY !

This will only show approved addons on the marketplace, and not those still on the PRB