Symella is a Gnutella file-sharing client for Symbian smartphones. Currently, it is available for mobile devices based on the S60 Platform 2nd and 3rd edition.
Symella supports multi-threaded downloads which means that if multiple users have a particular file then Symella can download the file from several locations simultenously.
Symella is free (and open source) software, distributed under the terms of the GNU General Public License. If you like this software and want to support the development of Symella by making a donation, you can do so via PayPal at the developer's site.