Japanease titles and/or games from small studios that can handle only one (or two) platforms at any time and don´t want the incovinient of negociating the pos parity clause.
+ Sony moneyhating Capcon with Street Fighter.
They didn't moneyhat Street Fighter, they funded it.
Also for the indie games, Sony have been treating them well since this generation started and most indie developers have noticed that.
"There is only one race, the pathetic begging race"