Dear Sir,
Hope you are doing well.
I understood your requirement about adding a new feature in your android application of Finger print or Custom pin add as login options. I have rich experience in Mobile Application Development both Android & iOS, Backend Server Management, Android Studio, React JS, Swift, Unity, etc.
I can start the work immediately now for you and can provide you perfect result for your requirements. I can complete your project in less time. Look forward to work and discuss more about this project with you.
Regards,
Shivam Kataria