myTouches should be on 1.6 already. T-Mobile was pushing the update in October (November?).
App works fantastic in practice in my tests, though choked on one case tonight. Had kids in car, drove by movie theater -- no showtimes/reader board visible outside (theater is in the mall).
Tried to get showtimes by 'reading' AMC theater logo on side of building ("daddy, why are you taking a picture of that building?"). No go. Google maps and gps to the rescue.