How to download Face authentication application?

To use face authentication one must download two applications, one of the entity and other of Aadhaar Face RD UIDAI. To download Aadhaar Face RD, go to Google Play Store and look for the "Aadhaar Face RD (Early Access) Application" from UIDAI (presently v0.7.43)  Link to download https://play.google.com/store/apps/details?id=in.gov.uidai.facerd