If you were wondering about Agent still being a Playstation 3 exclusive, Take Two confirmed that there is ‘no change in situation on that title.”
Take Two confirmed this at the Q2 earnings call last night.

Strauss Zelnick from Take Two;

“On Agent, there’s no change in situation on that title.”

So there you have it, Agent is still a Playstation 3 exclusive and there is no change in the situation.
Maybe some news soon?