Hello...

1.install the apk...
2.run once and then restart your device...
3.after restarting go with your file explorer:

extSD .. Android/data/com.nng.igo.primong.igoworld/files/....<- here put base folder..

and put your base folder....
from settings -> appManager -> iGO Navigation select (force stop) + (clear cache memory) and try....

little attention about apk from #2 or #3 has small difference
about the folder_name and installation path...see more in the current post.....