From July 24 until August 27, Sony will showcase four new downloadable games for PlayStation 3 or Vita. They're not exactly exclusive, but at least three of them will probably be good (Sorry, multiplatform Expendables 2, we can't judge you yet, one way or the other.
The trailer above breaks it down. Buy a bunch of these games, and you'll get a discount. Papa & Yo and Sound Shapes are PlayStation exclusives; CS: Go will also be available on PC and Xbox 360.