Ctharacter is a character-generator app for Chaosium's Call of Cthulhu RPG.
Simply hit "Roll" and drag and drop the dice values onto their desired 
locations. Featuring live updating, swappable skill values, and 
tablet-optimized layouts, Ctharacter takes the pain out of rolling 
new characters.

Ctharacter is available on the Google Play Store:
https://play.google.com/store/apps/details?id=com.ouroboros.ctharacter