How to change your Playstation country to download foreign apps
In order to download US or UK streaming apps like Sling TV, Hulu, BBC iPlayer and more, we'll need to create a new PlayStation Network account set to that country.
Follow this quick guide on this below:
On any browser, visit my.playstation.com. Log out of your current account (if logged in) and click Create Account
Click Start. Enter a valid email address and password for the account and click Next.
Under Country/Region choose United States or United Kingdom, corresponding to the apps you'd like access to. Enter a birth date and click Next.
Fill out the Address info using any US address generator like this one click Next.
Choose a PSN ID, enter any name and click Next.
Edit Privacy Settings if you wish and click Next then click Agree and Create Account.
Verify your account using the email you received and log in to the new account on your PlayStation console. You'll now be able to download any streaming apps for that country. You'll need to create 2 accounts for both UK and US apps.