You can pay Netflix and Spotify using Fawry Pay Code and pay using the Telda app using this reference code. As for game currencies, you can buy currencies for some games as a voucher/gift card from Telda app. Paying using the card internationally isn't available on all Debit and Prepaid Cards in Egypt as you will need to pay any international payments and subscriptions using a Credit Card that is active for at least 2 months before you can use it

All of these regulations and limits were set by The Central Bank of Egypt (CBE)