JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Please review this guide: http://www.jotform.com/help/22-Adding-Form-to-Facebook-Pages . Navigate to the bottom part in order to change the App Settings, including the Name and Picture.
Please check Additional Guides.
Hope this will help. Let us know if you need further assistance.