Digimon Battle Spirit 2 has never been released for PC, so it has no PC system requirements. It came out on Game Boy Advance. Released in 2003.
There is no emulator for Game Boy Advance that this site will point you at.
Platforms: Game Boy Advance.
System requirements for the game Digimon Masters Online
System requirements for the game Digimon Survive
System requirements for the game Digimon World: Next Order
System requirements for the game Digimon Rumble Arena
System requirements for the game Digimon World 3
System requirements for the game Digimon World 2
System requirements for the game Digimon All-Star Rumble
System requirements for the game Digimon World 4
