You have to put exact structure for iGO on SD card, like it was original. And to give main exe exact name as it was original (MobileNavigator, iGO, Zenec....?). Then do some more mods...Then you can use any iGO ver you want.
Also, there is some setup in sys to adapt it for sound.
But, since it is a little bit specific, here is fresh link, software only:
Spoiler: link
Download other needed content from proper section (maps...).
Respect structure from archive, put proper files in proper folders...
Edit:
Gift for you, PNA Bulgarian Lang & Voices:
Spoiler: attached
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