This is the Game Manager software for the M3 line of GBA carts. This will work for both CF and SD (including mini and micro) based carts.
The oficcial page is useless so if you need help your best bet might be to consult the wiki: http://m3wiki.com/index.php/Main_Page
The oficcial page is useless so if you need help your best bet might be to consult the wiki: http://m3wiki.com/index.php/Main_Page