jQuery Smart Banner from @jasny, https://github.com/jasny/jquery.smartbanner, packaged for Meteor.js
Run meteor add goltfisch:jquery-smart-banner and you can use jQuery Smart Banner on the client.
<html>
<head>
<title>YouTube</title>
<meta name="author" content="Google, Inc.">
<meta name="apple-itunes-app" content="app-id=544007664">
<meta name="google-play-app" content="app-id=com.google.android.youtube">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="jquery.smartbanner.css" type="text/css" media="screen">
<link rel="apple-touch-icon" href="apple-touch-icon.png">
</head>
<body>
...
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8/jquery.min.js"></script>
<script src="jquery.smartbanner.js"></script>
<script type="text/javascript">
$(function() { $.smartbanner() } )
</script>
</body>
</html>
$.smartbanner({
title: null, // What the title of the app should be in the banner (defaults to <title>)
author: null, // What the author of the app should be in the banner (defaults to <meta name="author"> or hostname)
price: 'FREE', // Price of the app
appStoreLanguage: 'us', // Language code for App Store
inAppStore: 'On the App Store', // Text of price for iOS
inGooglePlay: 'In Google Play', // Text of price for Android
inAmazonAppStore: 'In the Amazon Appstore',
inWindowsStore: 'In the Windows Store', // Text of price for Windows
GooglePlayParams: null, // Aditional parameters for the market
icon: null, // The URL of the icon (defaults to <meta name="apple-touch-icon">)
iconGloss: null, // Force gloss effect for iOS even for precomposed
url: null, // The URL for the button. Keep null if you want the button to link to the app store.
button: 'VIEW', // Text for the install button
scale: 'auto', // Scale based on viewport size (set to 1 to disable)
speedIn: 300, // Show animation speed of the banner
speedOut: 400, // Close animation speed of the banner
daysHidden: 15, // Duration to hide the banner after being closed (0 = always show banner)
daysReminder: 90, // Duration to hide the banner after "VIEW" is clicked *separate from when the close button is clicked* (0 = always show banner)
force: null, // Choose 'ios', 'android' or 'windows'. Don't do a browser check, just always show this banner
hideOnInstall: true, // Hide the banner after "VIEW" is clicked.
layer: false, // Display as overlay layer or slide down the page
iOSUniversalApp: true // If the iOS App is a universal app for both iPad and iPhone, display Smart Banner to iPad users, too.
appendToSelector: 'body' //Append the banner to a specific selector
})