Thanks to Khanh I got a link to a website of a company called PyDod. They are specialized in mobile GIS software and just developed a nice piece of software called PGuider. It runs on Symbian and Windows Mobile and is a map as well as a navigations system.
Depending on your mobile phone you can download the installation files and data directly or you have to ask for the installaton file and the key (that's what I did, and got a response the following day).
For those who are not that much familiar with Vietnamese and how to install software on a Nokia E 71, here some advice (again, thx to khanh for the help).
1. Download the PyPod-Files as well as the .sis-file you got when you ask for it with this form The fields are: - Email - Your Name - Your IMEI Nummber (press *#06# on you phone) - The model you are using - Comments
After you unpacked the files, transfer the to you Nokia Phone. I did it on my Mac with Bluetooth to my SD-Card. Make sure that the .sis file is in the root directory. The PyPod-Folder needs to be in root as well.
Then go on your Nokia to Office-File mgr. ans select the .sis file. The installing will start automatically.
Once your application is running, you can set the language to Vietnamese or English. What I like is that even if you type street names without tones the directory understands it.
PGuider is easy to use, just play arround. Zomming in the Map is 1 and 3, if you need help, there is a help menu. Try the simulation modus once you selected a route - its cool.
Former Journalist, freelance writer, still Podcaster and Blogger, dog owner and lover and houseman living in Siem Reap/Cambodia. I love cooking (since I have to do it every day), biking and film making.