our TS like a bit LC type know a bit on GPS act like know a lot. dun make joke lah bro. Today i want to teach u our TS, no matter u use what kind of Gps apps, GMXT, UGLY NK MAPS, MAPKINK, PAPAGO,GOOGLE MAPS. The apps only take the gps data from ur tube build gps receiver only. To on and off AGPS is done trought ur phone setting. Be TS, be kind to forumer,dun laugh at newbie, tis is the attitude to have for TS. Forget to let u know im using GMXT since Dec 2007 with my n73+gps receiver. My shop also sell garmin gps product like Nuvi, corolado, oregen. Im sorry if i already offens u TS, but really 看不下去.