diff --git a/resources/systems/android/es_systems.xml b/resources/systems/android/es_systems.xml
index fd9fa6bb6..22a28d9ba 100644
--- a/resources/systems/android/es_systems.xml
+++ b/resources/systems/android/es_systems.xml
@@ -2001,8 +2001,8 @@
         <name>zmachine</name>
         <fullname>Infocom Z-machine</fullname>
         <path>%ROMPATH%/zmachine</path>
-        <extension>.7z .7Z .zip .ZIP</extension>
-        <command>PLACEHOLDER %ROM%</command>
+        <extension>.dat .DAT .z1 .Z1 .z2 .Z2 .z3 .Z3 .z4 .Z4 .z5 .Z5 .z6 .Z6 .z7 .Z7 .z8 .Z8 .zlb .ZLB .zblorb .ZBLORB</extension>
+        <command label="MojoZork">%EMULATOR_RETROARCH% %EXTRA_CONFIGFILE%=/storage/emulated/0/Android/data/%ANDROIDPACKAGE%/files/retroarch.cfg %EXTRA_LIBRETRO%=mojozork_libretro_android.so %EXTRA_ROM%=%ROM%</command>
         <platform>zmachine</platform>
         <theme>zmachine</theme>
     </system>