Change your web language settings
1
Sign in to your Google Account.
2
On the left, click Personal info.
3
Under "General preferences for the web," click Language Edit .
4
Search for and select your preferred language.
5
Click Select.
6
If you understand multiple languages, click + Add another language.
To download Japanese apps on your Android device, use a VPN. Set up a Japanese account to access the Play Store in Japan by following these steps: create an account with a Japanese email address and sign up for a free trial of TunnelBear (or another VPN service) that changes your IP address to Japan.