System name:
lcdgames

Full system name:
LCD Handheld Games

Supported file extensions:
.mgw .MGW .7z .7Z .zip .ZIP

Launch command:
%STARTDIR%=~/.mame %EMULATOR_MAME% -artpath %ROMPATH%/lcdgames/artwork -rompath %GAMEDIR%\;%ROMPATH%/lcdgames %BASENAME%

Alternative launch commands:
%STARTDIR%=~/.mame %EMULATOR_MAME% -rompath %GAMEDIR%\;%ROMPATH%/lcdgames %BASENAME%
%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/gw_libretro.so %ROM%

Platforms (for scraping):
lcdgames, gameandwatch

Theme folder:
lcdgames