What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
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.
I have tested a form you provided on my computer and on my phone (Samsung Galaxy S4). On both devices form is loading properly.
Also your form is responsive.
Do you still have issues with your form? If so, please provide us more details about your issue. Which responsive fields are not working? Which device are you using? If possible please provide us a screenshot of your issue.
Let us know if you need further assistance.