I'm not interested in discussing your abstraction any further. Thanks.Sure, but if you’re a private person there’s no legal recourse for me as a customer, unless you’re doing it as a company.
Email/website is a perfectly reasonable support method for small apps. Providing phone support in multiple languages to anyone that browses your listing is not.
Sure, at added expense.And you the person and the info developer do not need to have the same information such as your private contact information and your business contact information.