Scan persons QR code and get important information about his or her health - dates of blood tests for the most common STDs (sexually transmitted diseases) - HIV, hepatitis B and C, syphilis and gonorrhea - to make an informed decision about sexual activity.
Also you will see a picture of the person who was tested - to check if the QR code you scan actually belongs to the one who shows it. The system is anonymous, so you will not see the persons name.
SexPass. Better safe than sorry.