RockMan Zero Collection (J) is Japanese version of Mega Man Zero Collection. They were published on June 8 2010. View more infomation about Mega Man Zero Collection, visit http://dl.poke-mega.org/mega-man-zero-collection-u-nintendo-ds
Rockman Exe is ported to the Nintendo DS with new upgrades. The battles system is easier to learn, part card battle and part action, both old and new gamers are going to pick it up in no time.