diff --git a/resources/systems/android/es_systems.xml b/resources/systems/android/es_systems.xml
index 2231cb70c..3c9500019 100644
--- a/resources/systems/android/es_systems.xml
+++ b/resources/systems/android/es_systems.xml
@@ -540,8 +540,10 @@
         <name>electron</name>
         <fullname>Acorn Electron</fullname>
         <path>%ROMPATH%/electron</path>
-        <extension>.7z .7Z .zip .ZIP</extension>
-        <command>PLACEHOLDER %ROM%</command>
+        <extension>.1dd .1DD .adf .ADF .adl .ADL .adm .ADM .ads .ADS .bbc .BBC .bin .BIN .cqi .CQI .cqm .CQM .csw .CSW .d77 .D77 .d88 .D88 .dfi .DFI .dsd .DSD .dsk .DSK .hfe .HFE .imd .IMD .img .IMG .mfi .MFI .mfm .MFM .rom .ROM .ssd .SSD .td0 .TD0 .uef .UEF .wav .WAV .7z .7Z .zip .ZIP</extension>
+        <command label="MAME4droid 2024 [Tape] (Standalone)">%EMULATOR_MAME4DROID-2024% %ACTION%=android.intent.action.VIEW %EXTRA_cli_params%="-rompath '%GAMEDIRRAW%;%ROMPATHRAW%/electron' -autoboot_delay '2' -autoboot_command '*T.\nCH.\"\"\n' -cass1 '%ROMRAW%'" %DATA%=electron64</command>
+        <command label="MAME4droid 2024 [Diskette DFS] (Standalone)">%EMULATOR_MAME4DROID-2024% %ACTION%=android.intent.action.VIEW %EXTRA_cli_params%="-rompath '%GAMEDIRRAW%;%ROMPATHRAW%/electron' -exp plus1 -cart1 seds -autoboot_delay '2' -autoboot_command '*CAT\n\n\n\n\n\n*EXEC !BOOT\n' -flop1 '%ROMRAW%'" %DATA%=electron64</command>
+        <command label="MAME4droid 2024 [Diskette ADFS] (Standalone)">%EMULATOR_MAME4DROID-2024% %ACTION%=android.intent.action.VIEW %EXTRA_cli_params%="-rompath '%GAMEDIRRAW%;%ROMPATHRAW%/electron' -exp plus3 -exp:plus3:fdc:1 35dd -autoboot_delay '2' -autoboot_command '*CAT\n\n\n\n\n\n*RUN !BOOT\n' -flop1 '%ROMRAW%'" %DATA%=electron64</command>
         <platform>electron</platform>
         <theme>electron</theme>
     </system>