Credit Card Check Validator is an Android application designed to assist new credit card users in the process of applying for a credit card. The app offers a user-friendly interface and provides a full guide to credit cards, including features, benefits, and available options. Users can also check the existence of a Bank Identification Number (BIN) based on an updated database of over 25,000 unique BINs. The app does not provide credit cards but redirects users to a particular website to apply for a credit card. It does not require any personal information and is free to use. Overall, Credit Card Check Validator is an excellent app for anyone looking to apply for a credit card and needs guidance on selecting the best option for their needs.