In order to submit applications to the Google Play Store, you must first register a Google account and then register an Android Developer account. Both of these accounts utilize the same username-password combination, and the process is quite straightforward. Membership is paid and starts from $25 (or equivalent). It is a one-time payment.
To register, first open a web browser and navigate to https://play.google.com/apps/publish/signup/. You'll be asked to log in to your Google account. If you don't have one, then this is the stage at which you need to create it. After you sign in you'll be presented with the developer agreement which you need to agree to in order to continue:
Once you've completed the sign-in or registration process, you'll be asked to provide your developer/publisher details, and after that, you'll be required to pay the US $25 registration fee. That's it—simple and straightforward! You can now create and upload applications...