Is there a way to redeem a promo code from within the app?
问题 Since beginning of this year, it's possible to use promo codes for apps: Create promotions As described on the page In-app Promotions, promo codes can also be redeemed from within the app. It also says "You can also keep a SKU off the Play Store, so the only way to get that item is by entering that SKU's promo code.". That's what I want for an in app product: Only let a user get an in app product by entering the promo code within the app and do not allow to buy it with money. How can this be