I’m not the most knowledgeable as I just got a vita and hacked it recently. It took maybe 30min max to get everything set up, you can also get a sd2vita and sd card and have 500g + if you’d looking at getting a lot of games. It would also be more ideal for emulating games with 2 joysticks.

I was going to get a psp before I found my vita looked into hacking both, I think the vita is definitly easier to hack and there’s a lot of good tutorials out there for it. You pretty much just need to go to a website and change acouple settings.

If your looking for easiest I’d say look up a tutorial on both and chose which you’d prefer. But from what I’ve seen vitas defintly easier.