diff --git a/index.html b/index.html
new file mode 100644
index 0000000..e023d32
--- /dev/null
+++ b/index.html
@@ -0,0 +1,77 @@
+<!DOCTYPE html>
+<html lang="pl">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>BBJ Solution - Pobierz Aplikację</title>
+    <style>
+        * {
+            box-sizing: border-box;
+            margin: 0;
+            padding: 0;
+            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
+        }
+        body {
+            background-color: #0f172a;
+            color: #f8fafc;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            min-height: 100vh;
+            padding: 20px;
+        }
+        .card {
+            background-color: #1e293b;
+            border-radius: 16px;
+            padding: 32px 24px;
+            max-width: 420px;
+            width: 100%;
+            text-align: center;
+            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
+            border: 1px solid #334155;
+        }
+        h1 {
+            font-size: 24px;
+            margin-bottom: 8px;
+            color: #38bdf8;
+        }
+        p {
+            color: #94a3b8;
+            font-size: 14px;
+            margin-bottom: 24px;
+            line-height: 1.5;
+        }
+        .download-btn {
+            display: inline-block;
+            width: 100%;
+            padding: 14px 20px;
+            background-color: #0284c7;
+            color: #ffffff;
+            font-weight: bold;
+            font-size: 16px;
+            text-decoration: none;
+            border-radius: 8px;
+            transition: background-color 0.2s ease;
+        }
+        .download-btn:active {
+            background-color: #0369a1;
+        }
+        .info {
+            margin-top: 16px;
+            font-size: 12px;
+            color: #64748b;
+        }
+    </style>
+</head>
+<body>
+    <div class="card">
+        <h1>BBJ Solution</h1>
+        <p>Aplikacja mobilna do obsługi magazynu i urządzeń.</p>
+        
+        <!-- Podmień app-release.apk na dokładną nazwę swojego pliku APK -->
+        <a href="app-release.apk" class="download-btn" download>Pobierz aplikację (APK)</a>
+        
+        <p class="info">Po pobraniu zezwól w telefonie na instalację z nieznanych źródeł.</p>
+    </div>
+</body>
+</html>
\ No newline at end of file
diff --git a/update.json b/update.json
index 5c29069..df71dd7 100644
--- a/update.json
+++ b/update.json
@@ -1,4 +1,4 @@
 {
-  "versionCode": 1,
+  "versionCode": 4,
   "url": "bbjsolution.org/AR/InwentARyzacja/releases/download/ver1.1/ver1.1.apk"
 }
\ No newline at end of file