This was implemented in the 2.2 stable, for those of you who are still waiting for this feature. :)
We have implemented our own plugin system in the Griffin (2.2) client . Check it out at http://www.utorrent.com/labs/griffin
We have a remote control app for Android already right here: http://forum.utorrent.com/viewtopic.php?id=89902
We’re working on a native client as well.E shared this idea and gave it 1 vote ·
We’ve released the first 64-bit alpha of µTorrent. Please try it out!