How do I prompt android phone/tablet visitors to install native app?

Hi, I had a requirement where the website have to show up with a banner asking if interested in installing the app when the site is opened on the ios and android devices. Was able to figure out the IOS and now I am able to prompt a banner for the apple devices. It was just a line of code which has to be updated on the html.tpl.php file. but android looks complicated. Someone please come up with a solution.
the piece of code used for IOS was
<meta name="apple-itunes-app" content="app-id=xxx-xxx-xxx">
need solution for android