We have found one software suitable in our database for this conversion.
If any mm2 to shp conversion is possible, it would be some kind of export between GPS/Navigation files, from Navitel Navigator files (.nm2) to ESRI ArcView shapefiles (.shp). Unfortunately, we do not know about any specifics about such conversion, only that it is supported in some GPS converters.
Updated: October 7, 2022
NM2
An nm2 file extension is associated with the Navitel Navigator GPS navigation application for Android, iOS, Symbian, Windows Mobile etc. The nm2 file contains map data compatible with Navitel Navigator.
SHP
Files with shp file extension are generally geospatial vector data files used in ESRI GIS software. Later adopted by other vendors. Should not be confused with AutoCAD shape files, different format just sharing same extension.