In the Language field, you can set the application default language, click Add language to indicate the additional languages in which the application is available,
in the Title field, enter the name of the application,
in the Description field, enter a description of your application,
if you are updating an already-published application, fill in the Recent Changes field with a description of the new features,
in the Promo Text field, enter a short text to promote your application,
in the Application type field, choose either Applications or Games,
in the Category field, choose the category corresponding to your application,
in the Price field:
leave Free if you want to make your application available for free,
if you want to sell your application, click on Setup a merchant account at Google Checkout in order to specify a bank account for payouts.
If you are selling your application through Google Play, add the
support for google Play Licensing in order to control the access to your
application based on whether the current user has purchased it.
select All locations so that your application can be downloaded by anyone who has access to the Android Market, wherever they are located, or clear All locations if you want to filter the countries where people can have access to your application,