直接就用VPN连上去之后，哪个国家的VPN就是哪个国家。
不过也有老外是这样说的
You can update your home address whenever you want, including changing to a different country. If you're representing a company, enter your business address.
Sign into your Google Wallet account at
https://wallet.google.com/ and click the Settings icon in the top corner.
Click Edit next to the "Home Address" listed and update the address (please note this is different from the "Address Book" which holds shipping addresses)
Open the Play Store and navigate to any item available for download.
Click to begin a download until you reach the "Accept and buy" screen (no need to complete the purchase)
Close the Play Store and clear data for the Google Play Store application (Settings > Apps > Google Play Store > Clear Data) or clear your browser cache
Re-open the Play Store. You should now see the Play Store that matches your default payment method’s billing country.