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Answer : Yes. To add a Bluetooth keyboard, go to Settings > Accessories > Manage Bluetooth Devices. For a non-Bluetooth wireless keyboard to work, it would probably have to have its own wireless receiver that would plug into the console via USB. It also supports USB keyboards. From page 31 of my PS3 owner's manual: Using a USB keyboard You can enter characters using a USB keyboard (sold separately). While the text entry screen is displayed, if any key on the connected USB keyboard is pressed, the text entry screen will enable you to use the USB keyboard. Hint You cannot use the predictive mode when using a USB keyboard. Unfortunately, it looks like there aren't many games that natively support keyboard/mouse. I did find the Eagle Eye, a third-party adapter that allows you to use a USB keyboard/mouse in lieu of a controller regardless of whether or not the games supports it. Although you can use a mouse and keyboard, you can't play...

Answer : Yes, it is possible to use a DualShock 4 on a PS3. You can plug it in directly to the USB port by default, but if your PS3 has the correct system firmware, it can be used wirelessly as well. There are a few features and games that aren't 100% compatible, the instructions for connecting the controller to the console and the compatibiliy list is in this post: First, plug the micro usb cable into your PS3. Next, plug your Dualshock 4 into the micro usb cable. Turn on your PS3, and then hit the button on your Dualshock 4. Note: make sure your Dualshock 4 is assigned as Controller 1 You can now navigate the XMB, load games, and use it as a controller for games listed below! (additional step if a PS3 controller is required) Lastly, turn on your PS3 controller, and make sure it's assigned as Controller 2. In certain games' menus, you will need to use on this controller before you can use your Dualshock 4. For wireless: Go to Acce...