My BlackBerry Storm 9530 v4.7.0.148 is giving me the error "Uncaught exception: java.lang.NullPointerException" when I try to send in a receipt with the app. Also, when I try to submit from the "Add more details" screen, my BB menu is activated and no submission occurs.
EDIT: I do really like the app overall though. You've definitely got me on the hook with your design and copy.