This app can authenticate QR codes on a series of consumer products in China. The detection assure that the codes have been made by the original manufacturer and not by a counterfeit entity.
Since these labels are an integral part of the products it is thus also a guarantee of a genuine product safe for consumption. The app has as intention to combat lucrative illegal business of look-a-like counterfeit products in China.
A login is needed to enable only people with lawful intention of validating genuine products and not counterfeiters perfecting their own copies.