I am registered in Google Play Console Developer to publish Android Apps, but this only allows you to publish free Apps, to sell I must configure my "merchant" account.
In the form you ask me for company information and, as you can imagine, I do not have any.
The question is: How do I register a merchant account in order to sell Apps?
In the case of Mexico, there are the figures of "natural person" and "moral person", in a company a resident of Mexico would put one or the other, depending on their particular case.
In your country of residence the name used may vary as well as other issues so it is more appropriate to consult a specialist in tax issues in your country.
The aforementioned because the raison d'etre of the "company" field in the form are the fiscal obligations derived from the exercise of commercial activities. Google, like any other company, must declare its commercial activities to the country in which it develops them and in many cases that implies providing information about who performs these activities.