The RevenueCat Subscriber Attributes Kotlin Sample Code demonstrates how to store additional and structured information on a user. Developers can store a user's email address and additional system identifiers directly in RevenueCat. An additional sample in Swift language is available.
Android users will now have more opportunities to purchase Amazon goods through their apps. Amazon this week introduced its new Mobile Associates API for Kindle Fire and other Android devices. The API allows developers to sell Amazon goods through their apps and games, while earning up to 6 percent in commission on the sales.