To build your own links set in the footer, you have to go to "Link List" module settings and click "New Block" there. Write a title, select "displayAmpFooter" hook and needed links.
Go to AMP Settings → Footer, and enable "Display Social Icons". Then paste links to your social account. Empty links will not be shown at the front page
Go to AMP Settings → Footer, and enable "Display Payment Icons". Then select icons to show.
Go to AMP Settings → Footer, and change the text