Function of Preventing accidental or unauthorized purchases (Recommended for parents)
2016/09/07You can help prevent accidental or unauthorized purchases on your device from Google Play Store app by setting Authentication.
Authentication means certain information, such as a password, must be entered on your device to make a purchase.
Thus, it is highly recommended that parents set Authentication to block unauthorized in-pp purchases made by your child(ren) or third parties.
Please refer to Google Play Help for the detail of the procudure of Authentication setting through the following URL:
Thank you for your understanding.