-Sign up to Karti store  https://kartistore.com/#/. 
1-After you activate your Karti account, you can select the card you want to purchase.
2-Enter “Jordan”, choose “Umniah” and enter your mobile number then click “Confirm”.
3-You will receive a code on your mobile number; make sure to enter it in the “Enter Code” box, to confirm your request
4-Then the store or game code will be available in your Karti account, inside “my cards” tab in www.kartistore.com.
5-Now you can redeem the card using the card code in the store or in the online game website of that card.
6-Enjoy purchasing content and let the fun begin.