diff --git a/README.md b/README.md
index 62c0fd6..fb864fb 100644
--- a/README.md
+++ b/README.md
@@ -24,14 +24,19 @@ npm start
 
 ## Building & installing
 
-`./build.sh` produces `build/PLWL-<version>.tar.gz`: the Electron runtime with the whole app (code, renderer and bundled `files/`) packed into `electron/resources/app.asar`, plus a `plwl` launcher, a `plwl.desktop` template and `install.sh`:
+`./build.sh` produces `build/PLWL-<version>.tar.gz`: the Electron runtime renamed to `olcxja.plwl/` (binary `olcxja.plwl/olcxja.plwl`) with the whole app (code, renderer and bundled `files/`) packed into `olcxja.plwl/resources/app.asar`, plus the `olcxja.plwl.png` icon, `install.sh` and `createshortcut.sh`:
 
 ```bash
 tar -xzf PLWL-<version>.tar.gz
 cd PLWL
-./install.sh   # copies to ~/.local/lib/PLWL, adds ~/.local/bin/plwl + a desktop shortcut, launches the app
-# or run without installing:
-./plwl
+./install.sh        # copies everything to ~/.local/bin/olcxja.plwl/,
+                    # installs the icon (olcxja.plwl.png) + shortcut
+                    # removes the extraction folder, launches
+
+./createshortcut.sh # portable mode: only installs the icon + shortcut
+
+# or run without any shortcuts:
+./olcxja.plwl/olcxja.plwl
 ```
 
 ## Wine & Proton support
diff --git a/build.sh b/build.sh
index d72230e..4716c01 100755
--- a/build.sh
+++ b/build.sh
@@ -15,37 +15,21 @@ fi
 
 rm -rf build/dist
 mkdir -p build/dist/PLWL
-cp -r node_modules/electron/dist build/dist/PLWL/electron
+cp -r node_modules/electron/dist build/dist/PLWL/olcxja.plwl
+mv build/dist/PLWL/olcxja.plwl/electron build/dist/PLWL/olcxja.plwl/olcxja.plwl
+chmod +x build/dist/PLWL/olcxja.plwl/olcxja.plwl
 
 # 2. Pack the app payload (code + renderer + bundled files) into app.asar.
 STAGE=build/dist/.app-stage
 mkdir -p "$STAGE"
 cp -r src renderer files package.json "$STAGE/"
-npx asar pack "$STAGE" build/dist/PLWL/electron/resources/app.asar
+npx asar pack "$STAGE" build/dist/PLWL/olcxja.plwl/resources/app.asar
 rm -rf "$STAGE"
 
-# 3. Launcher, desktop entry and installer.
-cat > build/dist/PLWL/plwl << 'EOF'
-#!/usr/bin/env bash
-set -e
-cd "$(dirname "$0")"
-exec ./electron/electron . "$@"
-EOF
-chmod +x build/dist/PLWL/plwl
-
-cat > build/dist/PLWL/plwl.desktop << 'EOF'
-[Desktop Entry]
-Type=Application
-Name=PLWL
-Comment=Portable Linux Wine Launcher
-Exec=plwl
-Icon=plwl
-Terminal=false
-Categories=Game;
-EOF
-
-cp tools/install.sh build/dist/PLWL/install.sh
-chmod +x build/dist/PLWL/install.sh
+# 3. Icon, installer and portable-shortcut helper.
+cp renderer/plwl.png build/dist/PLWL/olcxja.plwl.png
+cp tools/install.sh tools/createshortcut.sh build/dist/PLWL/
+chmod +x build/dist/PLWL/install.sh build/dist/PLWL/createshortcut.sh
 
 # 4. Tarball.
 mkdir -p build
diff --git a/src/appicon.js b/src/appicon.js
index e51fd31..c9738c2 100644
--- a/src/appicon.js
+++ b/src/appicon.js
@@ -3,8 +3,6 @@
 const path = require('path')
 const fs = require('fs')
 
-const APP_NAME = 'PLWL'
-
 function findPng() {
   const p = path.resolve(__dirname, '..', 'renderer', 'plwl.png')
   try {
@@ -15,44 +13,12 @@ function findPng() {
   }
 }
 
-function writeIconThemeDirs(png) {
-  try {
-    const sizes = { '16x16': 16, '32x32': 32, '48x48': 48, '256x256': 256 }
-    const home = process.env.HOME
-    if (!home) return
-    const exe = path.join(require('./paths').APP_ROOT, 'plwl')
-    const execPath = fs.existsSync(exe)
-      ? exe
-      : (process.env.PLWL_EXEC || 'plwl')
-    const base = path.join(home, '.local', 'share', 'icons')
-    for (const [dir, size] of Object.entries(sizes)) {
-      const themeDir = path.join(base, 'hicolor', dir, 'apps')
-      fs.mkdirSync(themeDir, { recursive: true })
-      fs.copyFileSync(png, path.join(themeDir, 'plwl.png'))
-    }
-    const desktopDir = path.join(home, '.local', 'share', 'applications')
-    fs.mkdirSync(desktopDir, { recursive: true })
-    const desktop = [
-      '[Desktop Entry]',
-      'Type=Application',
-      `Name=${APP_NAME}`,
-      'Comment=Portable Linux Wine Launcher',
-      `Exec=${execPath}`,
-      `Icon=plwl`,
-      'Terminal=false',
-      'Categories=Game;'
-    ].join('\n')
-    fs.writeFileSync(path.join(desktopDir, 'plwl.desktop'), desktop)
-  } catch {}
-}
-
 function setAppIcon(app) {
   const png = findPng()
   if (!png) return
   try {
     app.setIcon(png)
   } catch {}
-  writeIconThemeDirs(png)
 }
 
 module.exports = { setAppIcon }
diff --git a/src/paths.js b/src/paths.js
index 7f92b16..2b72054 100644
--- a/src/paths.js
+++ b/src/paths.js
@@ -3,7 +3,7 @@
 const path = require('path')
 const fs = require('fs')
 
-// Packaged builds run from <portable root>/electron/resources/app.asar:
+// Packaged builds run from <portable root>/olcxja.plwl/resources/app.asar:
 // the portable layout (<root>/files) is two levels above the resources dir
 // and files bundled with the release are unpacked next to the asar.
 function computeRoots() {
diff --git a/tools/createshortcut.sh b/tools/createshortcut.sh
new file mode 100644
index 0000000..5eac756
--- /dev/null
+++ b/tools/createshortcut.sh
@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+# PLWL portable shortcut creator — bundled inside the release tarball.
+# Installs the icon into the user icon theme and creates a .desktop entry
+# pointing at ./olcxja.plwl/olcxja.plwl in the folder this script lives in
+# (portable mode — no files are copied anywhere).
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+APP_DIR="$HOME/.local/share/applications"
+ICON_BASE="$HOME/.local/share/icons/hicolor"
+ICON_SRC="$SCRIPT_DIR/olcxja.plwl.png"
+EXE="$SCRIPT_DIR/olcxja.plwl/olcxja.plwl"
+
+[ -f "$EXE" ] || { echo "createshortcut.sh: olcxja.plwl runtime not found in $SCRIPT_DIR" >&2; exit 1; }
+chmod +x "$EXE" 2>/dev/null || true
+
+echo "1. Installing icon..."
+if [ -f "$ICON_SRC" ]; then
+  for dir in 16x16 32x32 48x48 256x256; do
+    mkdir -p "$ICON_BASE/$dir/apps"
+    cp "$ICON_SRC" "$ICON_BASE/$dir/apps/olcxja.plwl.png"
+  done
+fi
+
+echo "2. Creating shortcut..."
+mkdir -p "$APP_DIR"
+cat > "$APP_DIR/olcxja.plwl.desktop" << EOF
+[Desktop Entry]
+Type=Application
+Name=PLWL
+Comment=Portable Linux Wine Launcher
+Exec="$EXE"
+Icon=olcxja.plwl
+Terminal=false
+Categories=Game;
+EOF
+chmod +x "$APP_DIR/olcxja.plwl.desktop"
+command -v update-desktop-database >/dev/null 2>&1 && update-desktop-database "$APP_DIR" 2>/dev/null || true
+
+echo "Shortcut created: $APP_DIR/olcxja.plwl.desktop -> $EXE"
diff --git a/tools/install.sh b/tools/install.sh
index fdc6a71..8dab12f 100644
--- a/tools/install.sh
+++ b/tools/install.sh
@@ -1,7 +1,5 @@
 #!/usr/bin/env bash
 # PLWL installer — bundled inside the release tarball (build/PLWL-<version>.tar.gz).
-# Modeled after LarpixClient's install.sh: copies the app into ~/.local,
-# registers a desktop shortcut and removes the extraction folder.
 set -e
 
 echo "WARNING: Make sure you don't run this script in a folder that contains anything more than PLWL"
@@ -11,35 +9,59 @@ read -r -p "Press Enter to continue (or Ctrl+C, to cancel)..."
 
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
-INSTALL_DIR="$HOME/.local/lib/PLWL"
-BIN_DIR="$HOME/.local/bin"
+INSTALL_DIR="$HOME/.local/bin/olcxja.plwl"
 APP_DIR="$HOME/.local/share/applications"
+ICON_BASE="$HOME/.local/share/icons/hicolor"
+ICON_SRC="$SCRIPT_DIR/olcxja.plwl.png"
+EXE="$INSTALL_DIR/olcxja.plwl/olcxja.plwl"
 
 if [ "$SCRIPT_DIR" = "$INSTALL_DIR" ] || [ "$SCRIPT_DIR" = "$HOME" ] || [ "$SCRIPT_DIR" = "/" ]; then
   echo "install.sh: refusing to run from '$SCRIPT_DIR'" >&2
   exit 1
 fi
+case "$INSTALL_DIR/" in
+  "$SCRIPT_DIR"/*)
+    echo "install.sh: refusing to install into the extraction folder ('$SCRIPT_DIR')" >&2
+    exit 1
+    ;;
+esac
+[ -f "$SCRIPT_DIR/olcxja.plwl/olcxja.plwl" ] || { echo "install.sh: olcxja.plwl runtime not found in $SCRIPT_DIR" >&2; exit 1; }
 
 echo "1. Copying files..."
-mkdir -p "$INSTALL_DIR" "$BIN_DIR" "$APP_DIR"
+mkdir -p "$INSTALL_DIR" "$APP_DIR"
 cp -r "$SCRIPT_DIR/." "$INSTALL_DIR/"
 
-echo "2. Creating shortcut..."
-sed -i "s|^Exec=.*|Exec=$BIN_DIR/plwl|" "$INSTALL_DIR/plwl.desktop"
-mv "$INSTALL_DIR/plwl.desktop" "$APP_DIR/plwl.desktop"
-chmod +x "$APP_DIR/plwl.desktop"
+echo "2. Installing icon..."
+if [ -f "$ICON_SRC" ]; then
+  for dir in 16x16 32x32 48x48 256x256; do
+    mkdir -p "$ICON_BASE/$dir/apps"
+    cp "$ICON_SRC" "$ICON_BASE/$dir/apps/olcxja.plwl.png"
+  done
+fi
 
-echo "3. Adding executable permissions..."
-chmod +x "$INSTALL_DIR/plwl"
-ln -sfn "$INSTALL_DIR/plwl" "$BIN_DIR/plwl"
+echo "3. Creating shortcut..."
+cat > "$APP_DIR/olcxja.plwl.desktop" << EOF
+[Desktop Entry]
+Type=Application
+Name=PLWL
+Comment=Portable Linux Wine Launcher
+Exec="$EXE"
+Icon=olcxja.plwl
+Terminal=false
+Categories=Game;
+EOF
+chmod +x "$APP_DIR/olcxja.plwl.desktop"
 
-echo "4. Cleaning installation..."
-rm -f "$INSTALL_DIR/install.sh"
+echo "4. Adding executable permissions..."
+chmod +x "$EXE"
+
+echo "5. Cleaning installation..."
+rm -f "$INSTALL_DIR/install.sh" "$INSTALL_DIR/createshortcut.sh"
 command -v update-desktop-database >/dev/null 2>&1 && update-desktop-database "$APP_DIR" 2>/dev/null || true
 
-echo "5. Installation completed. Cleaning up and launching..."
+echo "6. Installation completed. Cleaning up and launching..."
 rm -rf "${SCRIPT_DIR:?}"/*
-nohup "$BIN_DIR/plwl" >/dev/null 2>&1 &
+nohup "$EXE" >/dev/null 2>&1 &
 disown 2>/dev/null || true
 
 exit 0