Please read the FAQ before commenting : https://facemaskcyborg.com/faq (caveat: we know the apps doesn't work 100% of the time)
From the About Us: "Do One Thing and Do It Well." I am surprised that there are no samples showing the filter working correctly. Is it just pasted in the center of the image frame?
We're going to be seeing a lot of face masks before this is all over. I am betting the joke does not age well.