Recently, Sony stated that an upgraded PlayStation 4 version of Flower, flOw, Sound Shapes, and Escape Plan will hit the PSN shortly after the PS4 launches. However, the the PlayStation 4 version of Flower will now run at a smooth 60 frames per-second and in full 1080p. Sound Shapes will be another title visually updated for the PS4 launch. However, Escape Plan and flOw will just feature reworked controls optimized for the DualShock 4. Terrifically, all four games are Cross-Buy titles, and will be available as free downloads for gamers who had previously purchased the original editions for the PlayStation 3 or PS Vita. In addition, Sony revealed that the PS Vita version of Flower will feature cross-buy support when it hits PSN this November 15th.
[Source - Playstation Lifestyle]