i use google navigation. all u need is to install brut maps. which is a cracked version of google maps. and walla, u get google navigation. there is turn by turn voice navigation, updated maps as per mantained by google maps.
only downside is that u need a decent data plan...
there is a thread here in this subforum that talks about it

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Added on December 9, 2010, 11:28 amdont get confused with agps and gps.
http://www.diffen.com/difference/A-GPS_vs_GPS

basically a-gps uses cell towers information to roughly determine where u at. once it gets a gps lock, then it zeroes to your exact location.

that is why, sometimes, if ur phone is having dificulity locking on a decent gps signal ( u need a min of 3 sats to bounce signals off) u usually get the general location of where u are, this is determined via the cell tower information ...



This post has been edited by ultramaman: Dec 9 2010, 11:28 AM

agps assists on faster gps locking. not really... lah, but it helps for the system u using to determine your general location while it tries to get a gps lock.

rmaps eh ? ok , will find it..

i find google map routing excelent. its routing , and my shortcuts are most of the time, the same and accurate.

but again. one mans food is another mans poison maaa...