It is a specialized edition of the iGO Primo or Nextgen engine. Unlike cloud-based apps like Waze, iGO stores its map data locally, making it a reliable choice for areas with poor cellular reception. The "Israel" version usually includes:
: Detailed road networks of Israel, including Palestinian Authority areas in some configurations. IGO_ISRAEL.zip
If you are looking at the internal structure of such a file, you will likely find: : Contains .fbl files (the actual road maps). It is a specialized edition of the iGO