At least in Japan, you'll be able to fight The Lion War against a friend.
March 14, 2007 - Square Enix confirmed to IGN today that the upcoming PSP remake, Final Fantasy Tactics: The Lion War, will feature multiplayer battles. The two-player skirmishes will paint one team red and the other blue so you don't mistakenly attack your own Monk, and will have a set number of turns so as to prevent one player from simply avoiding the other forever.
Set to release in Japan next month, Square Enix unfortunately could not confirm a North American release at this time. The PSP is region free, though, so there's nothing stopping Tactics fans from importing the game and challenging a friend to a battle in Ivalice…except maybe all that darned Japanese text.
But that's what FAQs are for, right?