Twitter Card App Generator Online for Free
iPhone App
iPad App
Google Play App
Code
<meta name="twitter:card" content="app">
<meta name="twitter:site" content="">
<meta name="twitter:description" content="">
<meta name="twitter:app:name:iphone" content="">
<meta name="twitter:app:id:iphone" content="">
<meta name="twitter:app:url:iphone" content="">
<meta name="twitter:app:name:ipad" content="">
<meta name="twitter:app:id:ipad" content="">
<meta name="twitter:app:url:ipad" content="">
<meta name="twitter:app:name:googleplay" content="">
<meta name="twitter:app:id:googleplay" content="">
<meta name="twitter:app:url:googleplay" content="">