I thought I'd just add to this thread. The closest thing I've seen to Soldat on a DS (and how it would be controlled) is
Still Alive DSI have a copy of the game myself and I have to say, that for soldat, the controls would slow and even though you have a similar control style, it still feels different.
Here's a video of the game or more importantly a demo of the controls in action:
http://www.youtube.com/v/nl9q8cRkwOM&hl=en&fs=1
