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JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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I'm sorry for the trouble caused to you.
I am able to riplicate the problem you are having. I clicked on the submit button and it just says "Please wait..".
The problem is because of the Ios7 list widget you have added in your form. You have added the widget but haven't provided the "JSON location url" and that was the reason why your form was broken. You need to delete the "Ios7 List" widget from your form or provide the "JSON location URL". A sample JSON code can be found here : http://widgets.jotform.io/androidList/listExample.json
I have cloned your form and added the JSON code URL and then I was able to submit your form successfully. Take a looka at the following form: http://form.jotformpro.com/form/40210518247950?
To take a closer look, feel free to clone this form and this guide should help you form cloning: https://www.jotform.com/help/42-How-to-Clone-an-Existing-Form-from-a-URL