PSA e-Verification is an Android app developed by Unisys Corporation that serves as a QR reader validation tool. It is designed to scan the QR code printed on PSA certificates and decode the information stored within. The app allows users to verify the displayed information on their smartphones against what is printed on the certificate.

In addition to PSA certificates, this app can also be used by the general public to verify their PSA documentation or other documents that use QR codes. The app is free to download and use, making it a useful and accessible tool for anyone who needs to verify important documents. The interface is user-friendly and easy to navigate, making the verification process quick and efficient.