You can download this free standalone app from the PlayStation Store under "My Channels". Earlier users could access YouTube only thorough their browser. The app makes use of native PS3 controls and an improved user interface. So get ready for a whole new world of video and features. You will completely feel new experience, designed for the big screen and PS3 controls.
With the help of this app you can now remotely control YouTube on PS3 via your smartphone. A video is just tap away after pairing your app with smartphone. You can browse the video through your phone while it's playing or browse and navigate further options available on YouTube.You can also search for videos within the app, which also provides instant search suggestions and video results. You can sign in to find the latest videos on your YouTube subscriptions, that now also include HD and official music videos.