How To Fix “This Item Isn’t Available In Your Country” Error In Android [Updated 2024]

I was pretty sure that VPN doesn't help with this anymore, since they now lock it into your filled-in region and if you fill in a different region, you cannot change it again for a whole year. And it will change currencies etc. to match that region. VPN is not helping me.

My problem now is, I used a different app store to get the app I want. But now I want to make a purchase and while a couple months back I still could, I now even get the "this item is not available in your country" message when trying to pay. Even though I got the app from a different store....