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.
Do note that JotForm forms are mobile responsive by default, they should work fine in a desktop computer as well as mobile devices.
I have just tested your form on an Android device and I can see it works fine, here's a screenshot about it:
Could you please provide us more details about how it shows on your end?
If you have embedded your form, please share us the link to your webpage so we can check it.