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Sony
Yes, the Logitech Harmony control is fully functional with Playstation 3. The "Logitech Harmony Adapter for PLAYSTATION 3" is what you're looking for.
You get a tool to do it, about 2/3 of the way through the game.
You can not play PlayStation 3 games on a PlayStation 1, but you can play PlayStation 1 games on a PlayStation 3. All of the PlayStation consoles are backwards compatible.
R2 and R 3 on the following systems do the following: Playstation 1: R2 is a game control located as the button on the back of the controller and R3 is the analog stick on the right side. R3 is used when you push down the analog stick playstation 2: same as playstation 1 PSP: there is no R2 or R3 Playstation 3: Same as playstation 1
No only PlayStation 3 games that have PAL written on them can be played on the European PlayStation 3.
PlayStation x PlayStation 1 PlayStation 2 PlayStation 2 slim PlayStation 3 PlayStation 3 slim Coming soon - PlayStation 4
Playstation 3
Yes, you go to power-save and then go to playstation auto-off and set how long you want it to stay on.
The PlayStation Vita is a standalone system. You do not require a PlayStation 3 to use it.
No. PlayStation 3 games are not backwards-compatible with the PlayStation 2.
No you have to buy a playstation 3 you can not just swap them for the other