what is a responsive form

A responsive form is one that will adapt itself to devices other than the computer, like tablets, mobile phones. As nowadays many Internet access is made using mobile phones it is important that the forms are functional on desktops but also on mobile devices. 

You can consult our guide for more details on how to make your form mobile responsive:

http://www.jotform.com/help/311-How-to-make-forms-Mobile-Responsive 

Also you can browse our theme store for themes that are suited for mobile:

http://www.jotform.com/theme-store/collection/mobile 

Let us know if we can be of more assistance.