Quote Originally Posted by DiscordiaEris View Post
What advantage does relying on third party software from Google or MS give SE? One would think they’d rather have the main way of accessing their game under their own control.
All of these apps implement the exact same thing: https://en.wikipedia.org/wiki/Time-b...-time_password

It's why you can already use any number of apps, including ones they don't explicitly mention, to generate the one-time passwords. Aside from branding, there's no secret sauce from SE involved.