Installing Qt Mobility in Qt SDK on Windows (former Qt desktop SDK)
Qt mobility is also available for desktop version of Qt SDK. But it does not come with a installer. You need to install it from source.
Download and install Qt SDK for windows from here Qt Downloads.
Download qt-mobility source from here Qt Mobility Download and extract.
From start menu, Run Start->All programs->Qt SDK by Nokia v2010.05 (open source) ->Qt Command Prompt. Run following commands in command prompt:
cd <your qt mobility source folder>
configure -prefix %QTDIR%
Now Qt mobility header and libraries are available in your Qt SDK.