I have made an Offline Credit Card Number Verifier App [PAID]

[TIMAI2]

and as you have been previously advised:

I am selling an apk [PAID!]

Hello Aquib This forum is to Showcase your work but you cannot sell your Apps here. There are numerous platforms you can sell from, not just Google Play Store. All stores require screenshots of your App in Action together with a description. Some also require a short video. Search the web!