I will comment sadly the PS4 selection of game isn't as impressive, but I think that is a given it being a year old.

I already played and plated Gravity Rush but for a dollar i just might get it again

Wow I might pick up a few

Everyone buy Tokyo Jungle and Beta Bloc!

You need a US psn account to purchase stuff on the us store. This means any kind of email adress, some adress in the US (I for example life above the bar from How I met your mother) and that´s it. For payment you can either add your credit card or purchase a physical store card from amazon/various other retailers or get a digital code from amazon (my fav).

EDIT: If you don´t have a us psn account and log in on the us store you will be redirected to the store of your region. AKA you can´t access the US store with a non-us account
Edit 2: you can play all US purchases on any other account on your PS.

PS4 owners should check out Dead Nation, awesome twin stick shooter. PS3 & Vita owners have loads of good deals here.

Let me look up one. Someone beat me to it. 

I could be wrong, but I think wild arms 2 as well. 

This flash sale makes up for the poor sales we've been having in Spring Fever. Its too good to be true