Sony announced a number of new games at their Gamescom press conference, many of which are PS4 exclusives. You can find all the trailer for the new and previously announced games right here. Among the new games are a number of indie titles, but not many AAA titles. Check out all the new trailers here.
Shadow of the Beast (PS4 exclusive)
Everybody’s Gone To The Rapture (PS4 exclusive)
inFamous: Second Son (PS4 exclusive)
Resogun (PS4 exclusive)