diff --git a/config/retrodeck/reference_lists/features.json b/config/retrodeck/reference_lists/features.json
index 1612bfb1..8732bb1a 100644
--- a/config/retrodeck/reference_lists/features.json
+++ b/config/retrodeck/reference_lists/features.json
@@ -960,8 +960,7 @@
       "system": [
         "arcade"
       ],
-      "launch": "mame",
-      "launch-args": "-inipath /var/config/mame/ini -rompath $(dirname \"$game\") $game"
+      "launch": "mame"
     },
     "citra": {
       "description": "Citra Nintendo 3DS Emulator (via Ponzu)",
@@ -997,7 +996,6 @@
       "url": "https://retrodeck.readthedocs.io/en/latest/wiki_emulator_guides/pcsx2/pcsx2-guide/",
       "system": "ps2",
       "launch": "pcsx2-qt",
-      "launch-args": "-batch $game",
       "properties": [
         {
           "ask_to_exit": true,
@@ -1010,7 +1008,6 @@
       "description": "PlayStation Emulator",
       "url": "https://retrodeck.readthedocs.io/en/latest/wiki_emulator_guides/duckstation/duckstation-guide/",
       "launch": "duckstation-qt",
-      "launch-args": "-batch $game",
       "system": "psx",
       "properties": [
         {
@@ -1037,8 +1034,7 @@
       "description": "Vita3K PSVita Emulator",
       "url": "https://retrodeck.readthedocs.io/en/latest/wiki_emulator_guides/vita3k/vita3k-guide/",
       "system": "psvita",
-      "launch": "Vita3K",
-      "launch-args": "-r $game.psvita"
+      "launch": "Vita3K"
     },
     "rpcs3": {
       "name": "RPCS3",
@@ -1066,7 +1062,6 @@
       "url": "https://retrodeck.readthedocs.io/en/latest/wiki_about/what-is-retrodeck/",
       "launch": "Yuzu",
       "system": "switch",
-      "launch-args": "-f -g $game",
       "ponzu": true,
       "abxy_button": true
     },
@@ -1075,7 +1070,6 @@
       "description": "Dolphin Wii and GameCube Emulator",
       "url": "https://retrodeck.readthedocs.io/en/latest/wiki_emulator_guides/dolphin-primehack/dolphin-primehack-guide/",
       "launch": "dolphin-emu-wrapper",
-      "launch-args": "-e $game",
       "system": [
         "gc",
         "wii"
@@ -1095,7 +1089,6 @@
       "description": "A fork of Dolphiin to enhance Metroid Prime experience",
       "url": "https://retrodeck.readthedocs.io/en/latest/wiki_emulator_guides/dolphin-primehack/dolphin-primehack-guide/",
       "launch": "primehack-wrapper",
-      "launch-args": "-e $game",
       "system": [
         "wii"
       ],
@@ -1112,7 +1105,6 @@
       "url": "https://retrodeck.readthedocs.io/en/latest/wiki_emulator_guides/cemu/cemu-guide/",
       "system": "wiiu",
       "launch": "Cemu-wrapper",
-      "launch-args": "-g $game",
       "properties": [
         {
           "abxy_button": true,
@@ -1125,8 +1117,7 @@
       "name": "xemu",
       "url": "https://retrodeck.readthedocs.io/en/latest/wiki_emulator_guides/xemu/xemu-guide/",
       "system": "xbox",
-      "launch": "xemu",
-      "launch-args": "-dvd_path $game"
+      "launch": "xemu"
     },
     "es-de": {
       "description": "ES-DE Emulation Frontend",
diff --git a/developer_toolbox/hooks/pre-commit b/developer_toolbox/hooks/pre-commit
new file mode 100755
index 00000000..31210b0a
--- /dev/null
+++ b/developer_toolbox/hooks/pre-commit
@@ -0,0 +1,25 @@
+#!/bin/bash
+# A pre-commit hook to lint features.json if it is edited
+
+# Check if any path contains 'features.json'
+if git diff --cached --name-only | grep -q 'config/retrodeck/reference_lists/features.json'; then
+  # Run the linting script
+  echo "Linting config/retrodeck/reference_lists/features.json..."
+  if ! bash developer_toolbox/lint_features.json.sh; then
+    echo "Linting failed. Please fix the issues and try again."
+    exit 1  # Exit with a non-zero status to block the commit
+  fi
+fi
+
+# Lint Manifest
+# if git diff --cached --name-only | grep -q 'net.retrodeck.retrodeck.yml'; then
+#   # Run the linting script
+#   echo "Linting net.retrodeck.retrodeck.yml..."
+#   if ! bash developer_toolbox/lint_manifest.sh; then
+#     echo "Linting failed. Please fix the issues and try again."
+#     exit 1  # Exit with a non-zero status to block the commit
+#   fi
+# fi
+
+# Continue with the commit if all checks passed
+exit 0
diff --git a/developer_toolbox/install_hooks.sh b/developer_toolbox/install_hooks.sh
new file mode 100755
index 00000000..d2510ce0
--- /dev/null
+++ b/developer_toolbox/install_hooks.sh
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+mkdir -p .git/hooks
+cp -f developer_toolbox/hooks/* .git/hooks
\ No newline at end of file
diff --git a/developer_toolbox/lint_manifest.sh b/developer_toolbox/lint_manifest.sh
new file mode 100755
index 00000000..9147e142
--- /dev/null
+++ b/developer_toolbox/lint_manifest.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+yamllint net.retrodeck.retrodeck.yml
diff --git a/functions/other_functions.sh b/functions/other_functions.sh
index a16e1453..3942827e 100644
--- a/functions/other_functions.sh
+++ b/functions/other_functions.sh
@@ -909,11 +909,62 @@ start_retrodeck() {
   es-de
 }
 
+find_emulator() {
+  local emulator_name=$1
+  local found_path=""
+  local es_find_rules="/app/share/es-de/resources/systems/linux/es_find_rules.xml"
+
+  # Search the es_find_rules.xml file for the emulator
+  emulator_section=$(xmllint --xpath "//emulator[@name='$emulator_name']" "$es_find_rules" 2>/dev/null)
+  
+  if [ -z "$emulator_section" ]; then
+      log e "Emulator not found: $emulator_name"
+      return 1
+  fi
+  
+  # Search systempath entries
+  while IFS= read -r line; do
+      command_path=$(echo "$line" | sed -n 's/.*<entry>\(.*\)<\/entry>.*/\1/p')
+      if [ -x "$(command -v $command_path)" ]; then
+          found_path=$command_path
+          break
+      fi
+  done <<< "$(echo "$emulator_section" | xmllint --xpath "//rule[@type='systempath']/entry" - 2>/dev/null)"
+  
+  # If not found, search staticpath entries
+  if [ -z "$found_path" ]; then
+      while IFS= read -r line; do
+          command_path=$(eval echo "$line" | sed -n 's/.*<entry>\(.*\)<\/entry>.*/\1/p')
+          if [ -x "$command_path" ]; then
+              found_path=$command_path
+              break
+          fi
+      done <<< "$(echo "$emulator_section" | xmllint --xpath "//rule[@type='staticpath']/entry" - 2>/dev/null)"
+  fi
+  
+  if [ -z "$found_path" ]; then
+      log e "No valid path found for emulator: $emulator_name"
+      return 1
+  else
+      log d "Found emulator: \"$found_path\""
+      echo "$found_path"
+      return 0
+  fi
+}
+
+
+# TODO: add the logic of alt emulator and default emulator
+
 run_game() {
+  # call me with (-e emulator) (-s system) game/path, examples:
+  # run_game -e gambatte_libretro ~/retrodeck/roms/gb/Capumon.gb
+  # run_game ~/retrodeck/roms/gb/Capumon.gb
+  # run_game -s gbc ~/retrodeck/roms/gb/Capumon.gb
 
   # Initialize variables
   emulator=""
   system=""
+  es_systems="/app/share/es-de/resources/systems/linux/es_systems.xml"
 
   # Parse options
   while getopts ":e:s:" opt; do
@@ -934,8 +985,8 @@ run_game() {
 
   # Check for game argument
   if [[ -z "$1" ]]; then
-      echo "Error: Game file is required."
-      echo "Usage: $0 --run [-e emulator] [-s system] game"
+      log e "Game path is required."
+      log i "Usage: $0 start [-e emulator] [-s system] game"
       exit 1
   fi
 
@@ -946,87 +997,165 @@ run_game() {
     system=$(echo "$game" | grep -oP '(?<=roms/)[^/]+')
   fi
 
-  log d "Emulator: $emulator"
-  log d "System: $system"
-  log d "Game: $game"
+  log d "Game: \"$game\""
+  log d "System: \"$system\""
 
-  # Query the features JSON for emulators that support the system
-  local emulators=$(jq -r --arg system "$system" '
-    .emulator | to_entries[] | 
-    select(
-      (.value.system == $system) or 
-      (.value.system[]? == $system)
-    ) | .key' "$features")
+  # Function to handle the %INJECT% placeholder
+  # When %INJECT%=filename is found in the game command it will check for the existence of the file
+  # If the file is found the "%INJECT%=file" will be replaced with the contents of the found file
+  handle_inject_placeholder() {
+      local cmd="$1"
+      local rom_dir=$(dirname "$game") # Get the ROM directory based on the game path
 
-  # Check if the system is handled by RetroArch cores
-  local retroarch_cores=$(jq -r --arg system "$system" '
-    .emulator.retroarch.cores | to_entries[] |
-    select(
-      .value.system == $system or 
-      (.value.system[]? == $system)
-    ) | .key' "$features")
+      # Find and process all occurrences of %INJECT%='something'.extension
+      while [[ "$cmd" =~ (%INJECT%=\'([^\']+)\')(.[^ ]+)? ]]; do
+          inject_file="${BASH_REMATCH[2]}"  # Extract the quoted file name
+          extension="${BASH_REMATCH[3]}"    # Extract the extension (if any)
+          inject_file_full_path="$rom_dir/$inject_file$extension"  # Form the full path
 
-  # if the emulator is given and it's a retroarch core just execute it
-  if [[ "$emulator" == *"_libretro" ]]; then
-    local core_path="/var/config/retroarch/cores/$emulator.so"
-    log d "Running RetroArch core: $core_path"
-    log d "Command: retroarch -L $core_path \"$game\""
-    eval "retroarch -L $core_path \"$game\""
-    return 1
-  fi
+          log d "Found inject part: %INJECT%='$inject_file'$extension"
 
-  # If the system is handled by RetroArch cores, add them to the list of emulators
-  if [[ -n "$retroarch_cores" ]]; then
-    emulators=$(echo -e "$emulators\n$retroarch_cores")
-  fi
+          # Check if the file exists
+          if [[ -f "$inject_file_full_path" ]]; then
+              # Read the content of the file and replace newlines with spaces
+              inject_content=$(cat "$inject_file_full_path" | tr '\n' ' ')
+              log i "File \"$inject_file_full_path\" found. Replacing %INJECT% with content."
 
-  local pretty_system=$(jq -r --arg system "$system" '.system[$system].name' "$features")
+              # Escape special characters in the inject part for the replacement
+              escaped_inject_part=$(printf '%s' "%INJECT%='$inject_file'$extension" | sed 's/[]\/$*.^[]/\\&/g')
 
-  # Check if multiple emulators are found and prompt the user to select one with zenity
-  if [[ $(echo "$emulators" | wc -l) -gt 1 ]]; then
-    emulator=$(echo "$emulators" | zenity --list --title="Select Emulator" --text="Multiple emulators found for $pretty_system. Select one to run." --column="Emulator")
-  else
-    emulator="$emulators"
-  fi
+              # Replace the entire %INJECT%=...'something'.extension part with the file content
+              cmd=$(echo "$cmd" | sed "s|$escaped_inject_part|$inject_content|g")
 
-  # If no emulator was selected, exit
-  if [[ -z "$emulator" ]]; then
-    log e "No emulator selected. Exiting."
-    return 1
-  fi
+              log d "Replaced cmd: $cmd"
+          else
+              log e "File \"$inject_file_full_path\" not found. Removing %INJECT% placeholder."
 
-  log d "Run game: selected emulator $emulator"
+              # Use sed to remove the entire %INJECT%=...'something'.extension
+              escaped_inject_part=$(printf '%s' "%INJECT%='$inject_file'$extension" | sed 's/[]\/$*.^[]/\\&/g')
+              cmd=$(echo "$cmd" | sed "s|$escaped_inject_part||g")
 
-  # Handle RetroArch core separately
-  if [[ "$emulator" == *"_libretro" ]]; then
-    local core_path="/var/config/retroarch/cores/$emulator.so"
-    log d "Running RetroArch core: $core_path"
-    log d "Command: retroarch -L $core_path \"$game\""
-    eval "retroarch -L $core_path \"$game\""
-  else
-    # Check if launch-override exists
-    local launch_override=$(jq -r ".emulator.$emulator.\"launch-override\"" "$features")
-    if [[ "$launch_override" != "null" ]]; then
-      # Use launch-override
-      launch_override=${launch_override//\$game/\"$game\"}
-      log d "Using launch-override: $launch_override"
-      eval "$launch_override"
-    else
-      # Use standard launch and launch-args
-      local launch_command=$(jq -r ".emulator.$emulator.launch" "$features")
-      local launch_args=$(jq -r ".emulator.$emulator.\"launch-args\"" "$features")
-      log d "launch args: $launch_args"
+              log d "sedded cmd: $cmd"
+          fi
+      done
 
-      # Only add launch_args if they are not null
-      if [[ "$launch_args" != "null" ]]; then
-        # Replace $game in launch_args with the actual game path, quoting it to handle spaces
-        launch_args=${launch_args//\$game/\"$game\"}
-        log d "Command: \"$launch_command $launch_args\""
-        eval "$launch_command $launch_args"
-      else
-        log d "Command: \"$launch_command\""
-        eval "$launch_command \"$game\""
+      log d "Returning the command with injected content: $cmd"
+      echo "$cmd"
+  }
+
+
+  # Function to replace %EMULATOR_SOMETHING% with the actual path of the emulator
+  replace_emulator_placeholder() {
+      local placeholder=$1
+      # Extract emulator name from placeholder without changing case
+      local emulator_name="${placeholder//"%EMULATOR_"/}"  # Extract emulator name after %EMULATOR_
+      emulator_name="${emulator_name//"%"/}"  # Remove the trailing %
+
+      # Use the find_emulator function to get the emulator path using the correct casing
+      local emulator_exec=$(find_emulator "$emulator_name")
+      
+      if [[ -z "$emulator_exec" ]]; then
+          log e "Emulator '$emulator_name' not found."
+          exit 1
       fi
-    fi
+      echo "$emulator_exec"
+  }
+
+  # Function to substitute the placeholders
+  substitute_placeholders() {
+      local cmd="$1"
+      local rom_path="$game"
+      local rom_dir=$(dirname "$rom_path")
+      
+      # Strip all file extensions from the base name
+      local base_name=$(basename "$rom_path")
+      base_name="${base_name%%.*}"
+
+      local file_name=$(basename "$rom_path")
+      local rom_raw="$rom_path"
+      local rom_dir_raw="$rom_dir"
+      local es_path=""
+      local emulator_path=""
+
+      # Manually replace %EMULATOR_*% placeholders
+      while [[ "$cmd" =~ (%EMULATOR_[A-Z0-9_]+%) ]]; do
+          placeholder="${BASH_REMATCH[1]}"
+          emulator_path=$(replace_emulator_placeholder "$placeholder")
+          cmd="${cmd//$placeholder/$emulator_path}"
+      done
+
+      # Substitute %BASENAME% and other placeholders
+      cmd="${cmd//"%BASENAME%"/"'$base_name'"}"
+      cmd="${cmd//"%FILENAME%"/"'$file_name'"}"
+      cmd="${cmd//"%ROMRAW%"/"'$rom_raw'"}"
+      cmd="${cmd//"%ROMPATH%"/"'$rom_dir'"}"
+      
+      # Ensure paths are quoted correctly
+      cmd="${cmd//"%ROM%"/"'$rom_path'"}"
+      cmd="${cmd//"%GAMEDIR%"/"'$rom_dir'"}"
+      cmd="${cmd//"%GAMEDIRRAW%"/"'$rom_dir_raw'"}"
+      cmd="${cmd//"%CORE_RETROARCH%"/"/var/config/retroarch/cores"}"
+
+      log d "Command after %BASENAME% and other substitutions: $cmd"
+
+      # Now handle %INJECT% after %BASENAME% has been substituted
+      cmd=$(handle_inject_placeholder "$cmd")
+
+      echo "$cmd"
+  }
+
+  # Extracting the commands from es_systems.xml for the selected system
+  find_system_commands() {
+      local system_name=$system
+      # Use xmllint to extract the system commands from the XML
+      system_section=$(xmllint --xpath "//system[name='$system_name']" "$es_systems" 2>/dev/null)
+      
+      if [ -z "$system_section" ]; then
+          log e "System not found: $system_name"
+          exit 1
+      fi
+
+      # Extract commands and labels
+      commands=$(echo "$system_section" | xmllint --xpath "//command" - 2>/dev/null)
+
+      # Prepare Zenity command list
+      command_list=()
+      while IFS= read -r line; do
+          label=$(echo "$line" | sed -n 's/.*label="\([^"]*\)".*/\1/p')
+          command=$(echo "$line" | sed -n 's/.*<command[^>]*>\(.*\)<\/command>.*/\1/p')
+          
+          # Substitute placeholders in the command
+          command=$(substitute_placeholders "$command")
+          
+          # Add label and command to Zenity list (label first, command second)
+          command_list+=("$label" "$command")
+      done <<< "$commands"
+
+      # Check if there's only one command
+      if [ ${#command_list[@]} -eq 2 ]; then
+          log d "Only one command found for $system_name, running it directly: ${command_list[1]}"
+          selected_command="${command_list[1]}"
+      else
+          # Show the list with Zenity and return the **command** (second column) selected
+          selected_command=$(zenity --list \
+              --title="Select an emulator for $system_name" \
+              --column="Emulator" --column="Hidden Command" "${command_list[@]}" \
+              --width=800 --height=400 --print-column=2 --hide-column=2)
+      fi
+
+      echo "$selected_command"
+  }
+
+  # If the emulator is not specified, ask the user to select it or get it from the XML file
+  if [[ -z "$emulator" ]]; then
+    emulator=$(find_system_commands)
+  fi
+
+  if [[ -n "$emulator" ]]; then
+    log d "Running: $emulator"
+    eval "$emulator"
+  else
+    log e "No emulator found or selected. Exiting."
+    return 1
   fi
 }
\ No newline at end of file
diff --git a/retrodeck.sh b/retrodeck.sh
index e76f8df0..94be9b78 100644
--- a/retrodeck.sh
+++ b/retrodeck.sh
@@ -32,7 +32,7 @@ Arguments:
     --reset-component <component>       \t  Reset one or more component or emulator configs to the default values
     --reset-retrodeck                   \t  Starts the initial RetroDECK installer (backup your data first!)
 
-    --run [-s <path>] [-e <path>] <path>\t  Run a game from cli, if no system is defined it will deducted from the path.\n\t\t\t\t\t\t  For example --run ~/retrodeck/roms/system/game.ext will be run with the system "system".\n\t\t\t\t\t\t  Optionally -e (emulator) and -s (system) can be passed as arguments.
+    start [-s <path>] [-e <path>] <path>\t  Start a game from cli, if no system is defined it will deducted from the path.\n\t\t\t\t\t\t  For example flatpak run net.retrodeck.retrodeck start ~/retrodeck/roms/system/game.ext will be run with the system "system".\n\t\t\t\t\t\t  Optionally -e (emulator) and -s (system) can be passed as arguments.
 
 For flatpak run specific options please run: flatpak run -h
 
@@ -44,8 +44,8 @@ https://retrodeck.net
       echo "RetroDECK v$version"
       exit
       ;;
-    --run*)
-      shift # Remove --run
+    start*)
+      shift # Remove "start"
       run_game "$@"
       exit
       ;;