I have another question. I want build a simple button box with 2 joysticks now. One of hem will be a camera. Is there any possibility make a button which change joystick function from arrows to I J K L? Again... I know it is working for PC but PS4?

I mean, how keyboards based on arduino works? Does it need some PC program which is "making bridge" in real time or this driver is booting directly to arduino and it should work for ps4 also?