I’d like to formally request access to the Password Credentials Grant Flow for a desktop application I’ve created called ‘Twitch Monitor’ (http://www.zclaycreationz.com/twitch-monitor/). It currently uses the Implicit Grant Flow via a C# WebBrowser control in the UI and works great for monitoring a single channel. However, I’ve since added support to the application for being able to specify multiple channels you’d like to monitor (useful for casters who are trusted editors/staff of one or more channels and also have a channel of their own). Under the hood, the C# WebBrowser control is basically an embedded Internet Explorer instance and caches the user login credentials when authorizing the app. If you try to then authorize the app with different credentials, you either need to fire up Internet Explorer and logout or clear the browser cookies.
Let me know if there’s any other information you need from me concerning my app. I also understand the sensitive nature of an authorization work flow like this and have no problem continuing to use the Implicit Grant Flow (I’ll just need to inform my users how to correctly authorize multiple channels with the app).