i dont know if there is a toic about this already(because i was away for like a month)but i found a working emulator that supports megaman starforce so thos of you without a ds or r4 or whatever get this emulator call "ideas" at www.emulator-zone.com get the newest one which i think it's 1.0.08 enjoy
yea it works with emulators but there is a bug with the battle mode... you cant see the people you're battling or combos you use
Are you sure that you have the most recent version of the iDeaS emulator. The old versions of iDeaS had that problem but the most recent version (1.0.08a) the problem has been solved