There is a page set up by the developer which contains guides and tutorial related to JClic. Access the page the download the PDF file hosted on the page to learn how to create questions and other activities related to school and teaching.
Tutorials page: http://clic.xtec.cat/en/jclic/curs.htm
In the PDF files you will see examples and tutorials to get you started. Adobe Reader or any other compatible PDF reader is required to create this content.