How to lock Google Play. I had saved my payment detail in that. And last night my cousin just b ought a game without asking me. I want to turn this shopping thing off from the tablet. I had added the payment details to buy books. But now it is being misused. I checked in Google Play but I cannot find any settings or option through which I can simply stop people for making purchase. Is there a app or any thing available through which no one can buy without my permission.
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