Oswan (J) Rom/Emulator file, which is available for free download on RomsEmulator.net. You can use emulator to play the Bandai Wonderswan games on your Windows PC, Mac, Android and iPhone. The size of this Oswan (J) Emulator/ROM is just 196.9KB only and around 624 people already downloaded and played it. If you like this Oswan (J), we request you to give suitable ratings. Happy Gaming!!