Here are some helpful videos that guides you to creating the best looking graphical interfaces for Neets Touch Panels, iPad, iPhones, Android tablets and Android phones. And of course the GUI can be reached from any browser available. The apps for IOS and Andorid can be found in the App store and Google Play.
This video shows the difference between the Master page and the other normal pages:
This video shows how to create custom buttons:
This video shows how to add a custom slider:
This video shows you how to start your own custom library of graphical elements:
Exporting an image from a slider or a button, in order to do some external editing in e.g. Adobe Photoshop or other photo editing software is very easy, have a look.