what kind of forms can i import

You can clone forms created by another JotForm user by following this guide: http://www.jotform.com/help/42-How-to-Clone-an-Existing-Form-from-a-URL and you can also import forms created in Adobe FormsCentral as described here: http://www.jotform.com/adobe-formscentral-alternative/

If you have further questions, please let us know.