This is a controlling GUI for the emulator "qemu". It is not for configuring devices or starting qemu, no it's for changing media, reset the vm, and so on at runtime. You can start it out of your favorite configuring GUI like you would do with qem
1 The new mainwindow. ( New QT4 release )
3 MainWindow, Connect Menu, old Perl version(current stable)
2 The next QT4 release. This release embed qemu completly.