Switch Your Amazon Account to the US to download US Apps
You can switch your Amazon account to a different country in order to install local apps. We currently support many streaming services in both the US such as Amazon Prime, Hulu, HBO, Sling, etc.
Step 1:
Go to Manage Your Content and Devices.
Step 2:
Click on the "Preferences" tab.
Step 3:
Go to the "Country Settings" section, click "Country Settings", and select "Change" next to your current country.
Step 4:
You can pick any address you want as long is it's in the new country and the address is real. You can use a random address generator. Select Update.
note: If you want to pay for US apps like Hulu or HBO Now with a non US credit card, you will need to follow these steps so that your non US credit card will be accepted as a payment method.
Step 5:
Restart your FireTV device and now you can download any app only available in the US!