Did you see the figures posted in the article
In 2008-09 the classification board received 7,036 applications. That figure included applications for classifying 4,792 films, 1,095 computer games and 197 publications.
What happens when you add 20,000 iPhone games to that. Plus updates - do they have to be re-censored? The principal is ok, but the implementation scares me. (Oh - and we need an 18+ rating for video games, but that's another story)