Alea is a simple RPG dice roller for mobile phones. More specifically, it requires a device with Java ME support (MIDP 2.0/CLDC 1.1 for the technically inclined) and a dedicated D-pad. Essentially any modern mobile should work.
Download
Note: the archive is not signed.
License and credits
The source code is provided under the open source MIT License. The dice images are based on a public domain photo from Wikipedia. The icon is also public domain, from OpenClipart.org.
Compatibility
All I have is a Nokia E51, so yeah, it works on my machine. :P Compatibility reports will be greatly appreciated.
Android users might want to try this J2ME Runner.