some one please give me a step - by - step PSP gps 290:(

some one please give me a step - by - step info.. i tried everything, this might sounds dumb or stupid but im a newbie.. i got psp slim with gps 290 i got from ebay.. i got mapthis, i got the map of my area in the psp, it works all good with the gps turned on.. kknow, how do get it to show the red lines from one point to another?do u choose it from the psp? i created a POI file my area too, its in the psp>mapviewr the POI doesnt show on MAPTHIS,, i also created GeoData.. i still dont get this... so hardd!!i replaced the eBooT aswell, i saw on youtube this guy had VOICE/and Directions activated, i want to do that..can some one pleaseeeeee help me....

("p.s. im considering to donate something if i get this fixed.. :rolleyes: not that im desperate, im nice guy you'll see.. ")