IPOD TOUCH 4th Gen to be used as a FULL PLEDGE GPS with VOICE Guided and TURN-BY-TURN Navigation..
What you need:
1. Jailbroken ipod touch 4.1 or 4.2.1 version preferably
2. External GPS
3. roqyBT4 from cydia
4. M7 PAPAGO PHILIPPINES APP from Itunes/Installous

Also can be used for your running/cycling/fitness needs to track your workouts/exercises... COmpatible with iphone apps such as IMAPMYFITNESS, NIKE+ GPS, RUNNER PRO, IMAPMYRUN etc...

TESTED and PROVEN!!! got addicted to it lalo na if magout of town tour.. M6 PAPAGO PHILIPPINES is yet the best voice guided navigation so far...

External GPS? go to the buy and sell section...