Hi,
In looking at the Tumblr tweet, click through to the tweeted URL:
On that page, you’ll see the following tags:
<meta name="twitter:app:name:iphone" content="Tumblr" />
<meta name="twitter:app:name:ipad" content="Tumblr" />
<meta name="twitter:app:name:googleplay" content="Tumblr" />
<meta name="twitter:app:id:iphone" content="305343404" />
<meta name="twitter:app:id:ipad" content="305343404" />
<meta name="twitter:app:id:googleplay" content="com.tumblr" />
<meta name="twitter:app:url:iphone" content="tumblr://x-callback-url/blog?blogName=staff&postID=66821626174&referrer=twitter-cards" />
<meta name="twitter:app:url:ipad" content="tumblr://x-callback-url/blog?blogName=staff&postID=66821626174&referrer=twitter-cards" />
<meta name="twitter:app:url:googleplay" content="tumblr://x-callback-url/blog?blogName=staff&postID=66821626174&referrer=twitter-cards" />
This is what to “model” when implementing your own deep linking.
Thanks!
Ryan