This is a tiny WordPress plugin that allows you to use the Smart App Banners that were introduced at WWDC 2012 for iOS6 devices. The information to make this plugin, however, was created using publicly available information.
In short, you download and activate the plugin. On pages and posts you should find a “Smart App Banner” settings box. If you want the Smart App Banner to appear on this page then enter the App ID of your application here.
If you want to display a banner on the home page there’s a setting screen (Settings -> Smart App Banner) where you can enter the App ID.
Then your ID is the bit I’ve highlighted in red.
You can download the plugin from the WordPress Plugin directory.
If you like this plugin, you can help support its development by buying my apps or my donating either money (see below) or patches.