Google Play now lets children send purchase requests to guardians

Google already offers parents and guardians tools to restrict purchases their children make on Play Store using the family payment method. The company is now introducing an additional feature that will allow children to send a purchase request for the manager of the family account to approve when there is no present payment method.
Children can ask for approval for both paid apps and in-app purchase when the family hasn’t set up a payments method. Once the family manager gets this request through a notification (or in their request queue), they can use their own payment method including

リンク元