Does Jotform support Facebook on smartphones?

Hello lynrcpr,

Please note that page tab apps are not supported on mobile devices by Facebook's Platform.

A workaround for now would be to use third party websites that offer a mobile version for tabs. You may like to take a look at the following guide which should We have list some of this websites here: http://www.jotform.com/help/82-Adding-Form-to-Facebook-Custom-iFrame-App-  

Hope this helps. Do get back to us if you have any questions.

Thank you!