docs(landing): the site's front page still said web + WeChat only

estellaengine.com's root is the first thing a visitor reads, and it was the
stalest surface of all -- the lead, the cross-platform card, and both the SEO
and og:description meta tags stopped at "web browsers and WeChat MiniGames",
which is two releases behind. Search results and link previews were repeating it.

Author: esengine

docs/landing/index.html

@@ -4,11 +4,11 @@
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1" />
   <title>Estella — A fast 2D game engine powered by WebAssembly and ECS</title>
-  <meta name="description" content="Estella is a 2D game engine with a TypeScript SDK and a C++/WebAssembly backend. Build games for the web and WeChat MiniGames, with a visual editor." />
+  <meta name="description" content="Estella is a 2D game engine with a TypeScript SDK and a C++/WebAssembly backend. Build games for the web, desktop, WeChat MiniGames, playable ads and native Android / iOS, with a visual editor." />
   <link rel="canonical" href="https://estellaengine.com/" />
   <meta property="og:type" content="website" />
   <meta property="og:title" content="Estella — A fast 2D game engine" />
-  <meta property="og:description" content="A TypeScript SDK on a C++/WebAssembly backend. Web + WeChat MiniGames, with a visual editor." />
+  <meta property="og:description" content="A TypeScript SDK on a C++/WebAssembly backend. Web, desktop, WeChat MiniGames, playable ads and native Android / iOS, with a visual editor." />
   <meta property="og:image" content="https://estellaengine.com/og-image.png" />
   <meta property="og:url" content="https://estellaengine.com/" />
   <meta name="twitter:card" content="summary_large_image" />
@@ -126,7 +126,8 @@ <h1>A fast <span class="grad">2D game engine</span><br />for the web</h1>
       <p class="lead">
         Estella pairs a first-class TypeScript SDK with a C++/WebAssembly
         rendering core, and ships a visual editor. Build once, deploy to web
-        browsers and WeChat MiniGames.
+        browsers, the desktop, WeChat MiniGames, playable ads, and native
+        Android / iOS.
       </p>
       <div class="cta">
         <a class="btn primary" href="/docs/getting-started/quick-start/">Get Started →</a>
@@ -142,7 +143,7 @@ <h1>A fast <span class="grad">2D game engine</span><br />for the web</h1>
         <div class="card"><h3>Fast</h3><p>A C++ rendering pipeline compiled to WebAssembly — not interpreted JavaScript.</p></div>
         <div class="card"><h3>Type-safe SDK</h3><p><code>defineComponent</code>, <code>defineSystem</code>, <code>Query</code>, <code>Commands</code>, <code>Res</code>.</p></div>
         <div class="card"><h3>Data-oriented</h3><p>An ECS core with a single cache-friendly component storage layer.</p></div>
-        <div class="card"><h3>Cross-platform</h3><p>One codebase, deployed to web browsers and WeChat MiniGames.</p></div>
+        <div class="card"><h3>Cross-platform</h3><p>One codebase, deployed to the web, the desktop, WeChat MiniGames, playable ads, and native Android / iOS.</p></div>
         <div class="card"><h3>Visual editor</h3><p>Scene hierarchy, inspector, and asset browser — no JSON editing.</p></div>
         <div class="card"><h3>Spine &amp; Physics</h3><p>Built-in Spine skeletal animation and physics support.</p></div>
       </div>