As far as I'm concerned in terms of videogames, the only difference between a PSP and a cellphone is that one has a numeric keypad permanently attached.
Disagree all you want, but the companies pretty much view both platforms the same way, i.e. "places where we can port old shit to or otherwise put no effort in creation (therefore saving money) and people will scoop it up anyway".
This. Parasite Eve. Tobal. Act Raiser. How much more proof do you want.

