I've been doing the same with my phones. You can do more things with root access
though like run an sshd server.
Here's stuff I did with Povray 3.7 on my phones (and other devices):
http://forums.anandtech.com/showthread.php?t=2251730
Also did this with Blender:
http://forums.anandtech.com/showthread.php?t=2414161
