The PHP Cross Platform Web Applications course I teach in HIT coveres some of the newest web technologies. The next meeting covers Sencha Touch . It is a Java Script library that allows us to develop web applications optimized for touch screen devices, such as mobile telephones and tablets. In order to assist my students with the understanding of this topic I chose to create two video clips that explain how to download Sencha Touch , how to execute the code samples it includes and how to develop...