How can I manage or turn off IN-APP purchases? (Amazon)
To ensure that only you can make purchases on your device, you can follow these steps to avoid any unwanted charges:
1. Open the Store app, press the menu button, and tap Settings. 2. Tap Parental Controls. 3. Tap the Enable Parental Controls checkbox. You'll now need to enter your Amazon.com password every time you make a purchase. You can also tap Use PIN to create a PIN for purchases.