The qooxdoo mobile hello world example uses the back button on the second ("Overview") page, and it responds either to a click or to the backspace key. So far so good.
I am developing a ClojureScript library that sits on top of qx.mobilde, and it is coming alon great. I just got most of the helloworld example working, except back key is not clickable. (backspace key works fine).
A big difference is that I did not create a custom class for the Overview page, I just instantiated NavigationPage and customized it as per the the stuff in the Overview class of helloworld.
That means I had to leave out the override of the internal _back member function: