Fingerprint Quick Action is a free app that lets you perform quick actions on your Android device using the fingerprint sensor. It supports many actions, such as going back, going home, and many more. 

This app is not an official app from Google or Samsung. An independent developer develops it and is not affiliated with Google or Samsung in any way.

It is free to use and is distributed under a free license. It is an open-source project, meaning the source code is available to everyone, and the community is involved in its development.