Your mymatrixtv.com device can work with any windows/android wireless and wired keyboard.
To install a wireless keyboard/mouse simply plug the USB connector in to the USB port on your mymatrixtv.com device.
To hook up a wireless keyboard you will need to plug the dongle (receiver) into the USB port on your mymatrixtv.com device.
The wireless/wired keyboard/mouse will automatically install the device drivers so there is no need to install any additional files. It is all plug and play
This is what a dongle looks like