If you get our free voucher/gift card, here are instructions for apply.


Use your gift card, gift code, or promo code


  1. Open the Google Play Store app Google Play.
  2. Tap Menu Menuand thenRedeem.
  3. Enter your code.
  4. Tap Redeem.


More information, maybe in your language, you can find here: 

https://support.google.com/googleplay/answer/3422659