Add mobile specific QKeyEvent tutorial in Qt Demostration

Hi,

In the QT documentation (doc.qt.nokia.com) there is very little written over how to use the keys on a mobile phone (e.g. Nokia E51).
I would find it a very useful addition if someone can write a web page about which keys are available on a mobile for use in your application.
Furthermore a small how-to would also be very nice.

Thanks in advance for investigating this request.