(1) How to use

Upon selecting the Page Assignment template, a wizard will appear to select pages to show for user profiles and record types.

(a) You can assign View / Edit / New pages separately

(b) Click on the intersection of the record type and profile that you would like to assign a page.
　　 All available user profiles and record types are acquired automatically from your Salesforce org. 

(c) To assign a Visualforce page, click on the Select Visualforce page Button.

A list of Visualforce pages that use the main object selected for the Page Assignment Template is shown. 
Select one and click the OK button. 

(d) If you would like to have some user profiles or record types use the Salesforce default page layout, click on the Page Layout button.