Alea is a simple RPG dice roller for feature 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 feature phone should work.
Note: the archive is not signed.
Alea is made by Felix Pleşoianu and provided under the MIT License. The dice images are based on a public domain photo from Wikipedia. The icon is also public domain, from OpenClipart.org.
All I have is a Nokia
E51 (now E5), so yeah, it works on my machine. :P Compatibility reports will be greatly appreciated.
Android users might want to try this J2ME Runner.
As of 2011-09-26, I've massively improved the startup speed, this time the right way and not through a stupid trick.
Perhaps the most intuitive and visual Dice-roller of all those caught. (article in Russian)