Yes, you too can write an application for the Greenphone without actually owning one! (and join the qtcentre.org developer contest)
It’s easy! How?
Grab the Greenphone SDK. Once you have it running:
This sets up the compiler environment for natively compiling, which you do to initially develop you application.
You can run your test in the QVFb (Qt Virtual Framebuffer). This is not an emulator, and only simulates the button presses through the use of the Greenphone skin. Other than that, it has nothing really to do with the Greenphone hardware at all.
After you have it running nice and well there, you can then: