Azureus is a BitTorrent protocol implementation that offers multiple torrent downloads, queuing/priority systems (on torrents and files), start/stop seeding options, and instant access to numerous pieces of information about your torrents. It includes an embedded tracker that is easily set up and ready to use.
Transdroid is an Android torrent client manager for µTorrent, Transmission, rTorrent, Vuze, Deluge 1.2+ or BitTorrent 6. You can show and manage torrents, add them via URL, RSS feed or integrated search. A home screen widget is included.
More information can be found on the public website: http://www.transdroid.org