American iTunes Gift Cards can only be redeemed on American accounts to purchase from iTunes Store, iBooks and the App Store.

Delivery Options:
1. Physical voucher Delivery
2. Instant automatic delivery via email
 
You can pay with:

- Apple Pay/Google Pay
- Credit/Debit card with ability to save card for future orders.
- Cash/Card on delivery

You will simply and instantly get the voucher after paying in one of those options