diff --git a/icons/apple-touch-icon.png b/icons/apple-touch-icon.png
new file mode 100644
index 0000000..0e2e7e3
Binary files /dev/null and b/icons/apple-touch-icon.png differ
diff --git a/icons/favicon-32.png b/icons/favicon-32.png
new file mode 100644
index 0000000..29b008f
Binary files /dev/null and b/icons/favicon-32.png differ
diff --git a/icons/icon-192.png b/icons/icon-192.png
new file mode 100644
index 0000000..d7c78a3
Binary files /dev/null and b/icons/icon-192.png differ
diff --git a/icons/icon-512.png b/icons/icon-512.png
new file mode 100644
index 0000000..e941133
Binary files /dev/null and b/icons/icon-512.png differ
diff --git a/icons/icon.svg b/icons/icon.svg
new file mode 100644
index 0000000..a180860
--- /dev/null
+++ b/icons/icon.svg
@@ -0,0 +1,44 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512">
+  <defs>
+    <radialGradient id="bgGrad" cx="50%" cy="50%" r="65%">
+      <stop offset="0%" stop-color="#1a1030"/>
+      <stop offset="100%" stop-color="#0c0c14"/>
+    </radialGradient>
+    <linearGradient id="winnerGrad" x1="0" y1="0" x2="1" y2="1">
+      <stop offset="0%" stop-color="#34d399"/>
+      <stop offset="100%" stop-color="#059669"/>
+    </linearGradient>
+    <filter id="glow" x="-50%" y="-50%" width="200%" height="200%">
+      <feGaussianBlur stdDeviation="20" result="blur"/>
+      <feMerge>
+        <feMergeNode in="blur"/>
+        <feMergeNode in="SourceGraphic"/>
+      </feMerge>
+    </filter>
+    <filter id="ambientGlow" x="-100%" y="-100%" width="300%" height="300%">
+      <feGaussianBlur stdDeviation="40"/>
+    </filter>
+  </defs>
+
+  <!-- Background -->
+  <rect width="512" height="512" fill="url(#bgGrad)"/>
+
+  <!-- Ambient glow behind winner -->
+  <circle cx="256" cy="264" r="110" fill="#34d399" opacity="0.10" filter="url(#ambientGlow)"/>
+
+  <!-- 4 muted finger circles -->
+  <circle cx="150" cy="178" r="70" fill="rgba(255,255,255,0.05)" stroke="rgba(255,255,255,0.18)" stroke-width="2.5"/>
+  <circle cx="362" cy="178" r="70" fill="rgba(255,255,255,0.05)" stroke="rgba(255,255,255,0.18)" stroke-width="2.5"/>
+  <circle cx="150" cy="342" r="70" fill="rgba(255,255,255,0.05)" stroke="rgba(255,255,255,0.18)" stroke-width="2.5"/>
+  <circle cx="362" cy="342" r="70" fill="rgba(255,255,255,0.05)" stroke="rgba(255,255,255,0.18)" stroke-width="2.5"/>
+
+  <!-- Pulse rings around winner -->
+  <circle cx="256" cy="264" r="114" fill="none" stroke="#34d399" stroke-width="1.5" opacity="0.28"/>
+  <circle cx="256" cy="264" r="132" fill="none" stroke="#34d399" stroke-width="1" opacity="0.12"/>
+
+  <!-- Winner circle -->
+  <circle cx="256" cy="264" r="90" fill="url(#winnerGrad)" filter="url(#glow)"/>
+
+  <!-- Inner highlight -->
+  <circle cx="238" cy="246" r="26" fill="white" opacity="0.22"/>
+</svg>
diff --git a/index.html b/index.html
index ed190a2..2c6948a 100644
--- a/index.html
+++ b/index.html
@@ -28,6 +28,12 @@
   <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
   <meta name="apple-mobile-web-app-title" content="Finger Chooser">
 
+  <!-- Icons & Manifest -->
+  <link rel="manifest" href="manifest.json">
+  <link rel="apple-touch-icon" href="icons/apple-touch-icon.png">
+  <link rel="icon" type="image/png" sizes="32x32" href="icons/favicon-32.png">
+  <link rel="icon" type="image/svg+xml" href="icons/icon.svg">
+
   <link rel="stylesheet" href="css/style.css">
 
   <script type="application/ld+json">
diff --git a/manifest.json b/manifest.json
new file mode 100644
index 0000000..a2bf371
--- /dev/null
+++ b/manifest.json
@@ -0,0 +1,29 @@
+{
+  "name": "Finger Chooser",
+  "short_name": "Finger Chooser",
+  "description": "Lege mehrere Finger auf das Display – einer wird zufällig ausgewählt.",
+  "start_url": "/",
+  "display": "standalone",
+  "background_color": "#0c0c14",
+  "theme_color": "#0c0c14",
+  "lang": "de",
+  "orientation": "portrait-primary",
+  "icons": [
+    {
+      "src": "icons/icon-192.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    },
+    {
+      "src": "icons/icon-512.png",
+      "sizes": "512x512",
+      "type": "image/png"
+    },
+    {
+      "src": "icons/icon-512.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "maskable"
+    }
+  ]
+}
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..0dca5d3
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,592 @@
+{
+  "name": "chooser-app",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
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+      "optional": true,
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+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-linuxmusl-arm64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-linuxmusl-x64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-linuxmusl-x64/-/sharp-linuxmusl-x64-0.34.5.tgz",
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+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-libvips-linuxmusl-x64": "1.2.4"
+      }
+    },
+    "node_modules/@img/sharp-wasm32": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-wasm32/-/sharp-wasm32-0.34.5.tgz",
+      "integrity": "sha512-OdWTEiVkY2PHwqkbBI8frFxQQFekHaSSkUIJkwzclWZe64O1X4UlUjqqqLaPbUpMOQk6FBu/HtlGXNblIs0huw==",
+      "cpu": [
+        "wasm32"
+      ],
+      "dev": true,
+      "license": "Apache-2.0 AND LGPL-3.0-or-later AND MIT",
+      "optional": true,
+      "dependencies": {
+        "@emnapi/runtime": "^1.7.0"
+      },
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-win32-arm64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-arm64/-/sharp-win32-arm64-0.34.5.tgz",
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+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0 AND LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-win32-ia32": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-ia32/-/sharp-win32-ia32-0.34.5.tgz",
+      "integrity": "sha512-FV9m/7NmeCmSHDD5j4+4pNI8Cp3aW+JvLoXcTUo0IqyjSfAZJ8dIUmijx1qaJsIiU+Hosw6xM5KijAWRJCSgNg==",
+      "cpu": [
+        "ia32"
+      ],
+      "dev": true,
+      "license": "Apache-2.0 AND LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/@img/sharp-win32-x64": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/@img/sharp-win32-x64/-/sharp-win32-x64-0.34.5.tgz",
+      "integrity": "sha512-+29YMsqY2/9eFEiW93eqWnuLcWcufowXewwSNIT6UwZdUUCrM3oFjMWH/Z6/TMmb4hlFenmfAVbpWeup2jryCw==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "Apache-2.0 AND LGPL-3.0-or-later",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      }
+    },
+    "node_modules/detect-libc": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.1.2.tgz",
+      "integrity": "sha512-Btj2BOOO83o3WyH59e8MgXsxEQVcarkUOpEYrubB0urwnN10yQ364rsiByU11nZlqWYZm05i/of7io4mzihBtQ==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/semver": {
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.7.4.tgz",
+      "integrity": "sha512-vFKC2IEtQnVhpT78h1Yp8wzwrf8CM+MzKMHGJZfBtzhZNycRFnXsHk6E5TxIkkMsgNS7mdX3AGB7x2QM2di4lA==",
+      "dev": true,
+      "license": "ISC",
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/sharp": {
+      "version": "0.34.5",
+      "resolved": "https://registry.npmjs.org/sharp/-/sharp-0.34.5.tgz",
+      "integrity": "sha512-Ou9I5Ft9WNcCbXrU9cMgPBcCK8LiwLqcbywW3t4oDV37n1pzpuNLsYiAV8eODnjbtQlSDwZ2cUEeQz4E54Hltg==",
+      "dev": true,
+      "hasInstallScript": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@img/colour": "^1.0.0",
+        "detect-libc": "^2.1.2",
+        "semver": "^7.7.3"
+      },
+      "engines": {
+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/libvips"
+      },
+      "optionalDependencies": {
+        "@img/sharp-darwin-arm64": "0.34.5",
+        "@img/sharp-darwin-x64": "0.34.5",
+        "@img/sharp-libvips-darwin-arm64": "1.2.4",
+        "@img/sharp-libvips-darwin-x64": "1.2.4",
+        "@img/sharp-libvips-linux-arm": "1.2.4",
+        "@img/sharp-libvips-linux-arm64": "1.2.4",
+        "@img/sharp-libvips-linux-ppc64": "1.2.4",
+        "@img/sharp-libvips-linux-riscv64": "1.2.4",
+        "@img/sharp-libvips-linux-s390x": "1.2.4",
+        "@img/sharp-libvips-linux-x64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-arm64": "1.2.4",
+        "@img/sharp-libvips-linuxmusl-x64": "1.2.4",
+        "@img/sharp-linux-arm": "0.34.5",
+        "@img/sharp-linux-arm64": "0.34.5",
+        "@img/sharp-linux-ppc64": "0.34.5",
+        "@img/sharp-linux-riscv64": "0.34.5",
+        "@img/sharp-linux-s390x": "0.34.5",
+        "@img/sharp-linux-x64": "0.34.5",
+        "@img/sharp-linuxmusl-arm64": "0.34.5",
+        "@img/sharp-linuxmusl-x64": "0.34.5",
+        "@img/sharp-wasm32": "0.34.5",
+        "@img/sharp-win32-arm64": "0.34.5",
+        "@img/sharp-win32-ia32": "0.34.5",
+        "@img/sharp-win32-x64": "0.34.5"
+      }
+    },
+    "node_modules/tslib": {
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
+      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
+      "dev": true,
+      "license": "0BSD",
+      "optional": true
+    }
+  }
+}
diff --git a/package.json b/package.json
index fe09ec5..c5a7b60 100644
--- a/package.json
+++ b/package.json
@@ -4,5 +4,8 @@
   "private": true,
   "scripts": {
     "start": "npx serve -l 8080 ."
+  },
+  "devDependencies": {
+    "sharp": "^0.34.5"
   }
 }
diff --git a/scripts/generate-icons.js b/scripts/generate-icons.js
new file mode 100644
index 0000000..3949f24
--- /dev/null
+++ b/scripts/generate-icons.js
@@ -0,0 +1,24 @@
+const sharp = require('sharp');
+const path = require('path');
+const fs = require('fs');
+
+const src = path.join(__dirname, '../icons/icon.svg');
+const out = path.join(__dirname, '../icons');
+
+const sizes = [
+  { name: 'apple-touch-icon.png', size: 180 },
+  { name: 'icon-192.png',         size: 192 },
+  { name: 'icon-512.png',         size: 512 },
+  { name: 'favicon-32.png',       size: 32  },
+];
+
+(async () => {
+  const svg = fs.readFileSync(src);
+  for (const { name, size } of sizes) {
+    await sharp(svg)
+      .resize(size, size)
+      .png()
+      .toFile(path.join(out, name));
+    console.log(`✓ ${name} (${size}×${size})`);
+  }
+})();