Walking Pig version 1.1 was approved last friday. Go check it out:
 http://itunes.apple.com/us/app/walking-pig/id466180109?l=fr&ls=1&mt=8

 The lite version is also available if you want to try it first:
 http://itunes.apple.com/us/app/walking-pig-lite/id470250601?l=fr&ls=1&mt=8