Hacker News Reader

it scans your SMSes and pastes the OTP automatically into the payment page

The Apple ecosystem has done this for years. Do Windows and Android not have similar features?

This is a very new feature on iOS, ~1.5 years. JusPay has been doing this for about 6 years now.

Android regexes out the code and adds a button to copy it to the notification bar, along with one to dismiss it.