You can create a custom Lists tool using template form solutions designed in Microsoft Office InfoPath. A Lists tool designer will typically perform the following tasks in the process of developing a custom Lists tool:
During tool development iterations, you can enter the designer by clicking the View tab, and then clicking Enter Designer.
In the Designer, do the following tasks:
Lists tool users create items by filling out form templates.
Typically, updating the design requires making changes to form template solutions in InfoPath and re-importing them, as well as updates to settings in the custom Lists tool in SharePoint Workspace.