The Credit Card Validator is an application that allows you to check the validity of your credit card number. It can be used on your Android device. It works by comparing your card number with a database of known valid numbers. If your number matches a record in the database, it is valid.

This tool can be used by both individuals and businesses. It is intended for use by people who work in the financial industry. It is not designed for use by anyone else.

The application is very simple to use. It does not require any additional hardware or software to perform the checks.