http://www.joystiq.com/2014/06/09/ratchet-and-clank-redux-coming-to-ps4/
Movie trailer
https://www.youtube.com/watch?v=kYQ30-E-FRs
Alongside word that the Ratchet And Clank feature film will debut in the first part of 2015, Sony has revealed that a remake of the original Ratchet And Clank will appear on the PlayStation 4 around the same time. No gameplay details, imagery or pricing information were revealed.
Movie trailer
https://www.youtube.com/watch?v=kYQ30-E-FRs