The 33 temples of the Bandō Sanjūsankasho (“The Bando 33 Kannon Pilgrimage”) form together with the 33 temples of the Saigoku pilgrimage and the 34 temples of the Chichibu Kannon temple pilgrimage, a 100-temple Kannon pilgrimage.
Now free Android apps for all three of these pilgrimages are available from the Android store.
Of the three pilgrimages, at a mere length of 100 km, the Chichibu 34 Kannon pilgrimage is best suited for the tourist who can only dedicate a limited amount of time and would like to walk the pilgrimage. And as Chichibu is, undeservedly, still largely undiscovered by the majority of the tourists, you have a chance to enjoy a lovely area of Japan that is less than an hour from Tokyo by train.
See also here.