To avoid fraud in small cashless payment field as well as government tax collection system, an android MPOS device to be with fingerprint thumbnail built-in is an idea solution. As today's smart devices, they could do nfc contactless payment, fingerprint authentication as well as QR code payment together to make everything easier and more efficient. Here below is a link to show how it works with fingerprint. As well a video to show how it fast works with NFC as well as QR code. The thermal printer built-in as well to print a receipt as option for clients. Any more questions or interest in the fingerprint device to be used in the cashless payment world, pls feel free to get in touch with author and send your inquiries to support@smartfeigete.com