1: Go to Settings
While on the Google Play website, click on the cog icon
in the top-right corner of the interface
and then choose Settings from the menu. You can now see which Android-enabled devices you use.
2: Update devices
If one of your devices isn’t named correctly, click on the Edit button next to the device in question and then type the new name into the text field. When you are done, click on the Update button.
3: Email preferences
The Email Preferences allow you to sign up for newsletters, including offers from Google Play and notifications when developers reply to reviews you’ve posted. Tick the boxes as applicable.