In that case I would sadly say that you are lost.
The OS is a "homebrew" of Samsung and I don't know of any software for that platform.
For about 50€ you can get the full version of Route66 for Europe - that is all I know.
[Please Register or Login to download file] is a link to a german BADA OS forum if that is of any help.
There is not much to find for for that OS
Maybe
[Please Register or Login to download file] can help you.
In the future there might be more for your phone, right now it just to new.