sentences:  However, it is clear that Remote Play with the PS3 was the testing bed for its much better integration with the PS4.Also, for users having both the PlayStation 3 and the PlayStation Vita, it is possible to share media files videos, music and images between them by transferring multimedia files directly from the PlayStation 3 to the PlayStation Vita, or vice versa.Furthermore, they can use a service called cross-buy which allows them to buy certain games that support this feature one time, and play them in both Sony platforms.