Fake Bioshock DS Screen-shot

[GrooveMan.exe]

Well before anything else is said, that's nowhere near DS screen size; either a single screen or both.
Second, your anatomy for those people are kind of off, and almost all object outlines (both people and furniture) consist of perfectly straight lines, which looks way too precise considering the setting. Third, you lack contrast on a lot of your shading, with the exception of the mugshot - which consequently looks very out of place.