I have built QtCreator , http://qt.nokia.com/products/appdev/developer-tools/developer-tools ,
for Qt Everywhere for Efika Mx. This enables me to be fully selfhosted in the Qt Embedded
environment. With QtCreator you can manage your Qt projects , create graphical user interfaces and build your code.
Running Qt native is much faster than running it on XWindows. Even big apps like QtCreator starts instantly.
A photo with QtCreator , my version of Xqt (xwindows server) and a terminal application: