Can health code fraudsters adjust it?

An application called "Health Code Demo" was found in Google App Market. The software can not only change the identity information and display the city area at will according to the user's needs, but also switch the color of the QR code by itself. At present, it has been downloaded more than 1 times.

The color of health code is affected: firstly, it is the spatial dimension. According to the national epidemic risk, the big data companies in Hangzhou have been able to accurately reach towns (streets) according to relevant data; Second, it is the time dimension, that is, the number of times someone has been to the epidemic area and the length of stay; Third, it is the dimension of interpersonal relationship, that is, the contact state with the close contact personnel, and then quantify the score.