TCDG App! It's good, and you should use it.
The main app currently features all the features of the Last Gasp Assistant, and additionally includes skill tracking and skill rolls, as well as weapon and damage rolling with the Last Gasp's penalties automatically included. Wound tracking, an automatic attack calculator and a quick weapon adding interface are all in now too.
Last Gasp Assistant for The Last Gasp, Pyramid 3/44: Alternate GURPS II. It is reccomended you use the main app though. Featured by the creator of The Last Gasp on his blog, Gamingballistic