This game was written using BLIde Plus. This is an awesome soccer management game.
This is what the official site says about it:
New Star Soccer 2010 is the award winning football career game where you can be the best player in the world. Start out at a premier team or in the lower leagues, then prove yourself on the pitch and off it. Build your skills in the training mini-games and grab the headlines on match day. You will also need to manage your relationships with friends, the media, girlfriend and more. If your personal life suffers so will your performance, and the choices you make will ultimately determine your success.
For more information, go to the official site.