System name:
wonderswan

Full system name:
Bandai WonderSwan

Supported file extensions:
.pc2 .PC2 .ws .WS .7z .7Z .zip .ZIP

Launch command:
%EMULATOR_RETROARCH% -L %CORE_RETROARCH%\mednafen_wswan_libretro.dll %ROM%

Alternative launch commands:
%EMULATOR_MEDNAFEN% -force_module wswan %ROM%
%EMULATOR_ARES% --fullscreen --system "WonderSwan" %ROM%
%EMULATOR_ARES% --fullscreen --system "Pocket Challenge V2" %ROM%

Platform (for scraping):
wonderswan

Theme folder:
wonderswan