Hey guys, I'm a relative newbie when it comes to PSP CFW.

I currently have 6.35 PSP Go with PRO-B4 installed. It works wonderfully.

But I want to be able to play MKV video files and I was told I need PMPlayer. Can I install this for PRO-B4? If so, could you tell me how? Also, do I need HEN? Because I don't have HEN installed.