This application allows users to mount an SMB file share in their Downloads/Files app in Android. That way, users can access their remote files seamlessly from their Android devices, opening, modifying, and deleting them.

This application is a direct port of Samba client which can be found at samba.org. As such, it supports the entire feature supported by Samba client.

This application is open-sourced under the GNU General Public License. The full source can be found at github.com/google/samba-documents-provider.
From version Android Samba Client 1.1:
Enable SMBv3.
All versions
July 17, 2017