Enable "Add to home screen" on Android.

dart/site/try/index.html

Index: dart/site/try/index.html
diff --git a/dart/site/try/index.html b/dart/site/try/index.html
index 2d38efcea096972fb7166c7db6c84b31910fdc0e..708a1c4d49c22aa94a68b2d89e6d7ee90af21835 100644
--- a/dart/site/try/index.html
+++ b/dart/site/try/index.html
@@ -50,10 +50,18 @@ a:hover.diagnostic span {
 <link rel="benchmark-DeltaBlue" href="benchmarks/DeltaBlue.dart">
 <link rel="benchmark-Richards" href="benchmarks/Richards.dart">
 <link rel="benchmark-base" href="benchmarks/benchmark_base.dart">
+
 <link href="favicon.ico" rel="icon" type="image/x-icon">
+
 <meta name="viewport" content="initial-scale=1.0">
+
+<!-- Chrome Mobile (Android) "Add to home screen" support -->
+<meta name="mobile-web-app-capable" content="yes">
+<link rel="shortcut icon" sizes="196x196" href="dart-icon-196px.png">
+
+<!-- iOS "Add to Home Screen" support -->
 <meta name="apple-mobile-web-app-capable" content="yes">
-<link rel="apple-touch-icon" href="dart-icon.png">
+<link rel="apple-touch-icon" href="dart-icon-196px.png">
 <meta names="apple-mobile-web-app-status-bar-style" content="black">
 <link rel="apple-touch-startup-image"
       media="(device-width: 320px)