Clarify What's Going on with the Tumblr App?

The original Verge post said the phone and tablet app are different. The screenshots on the Play Store seem to say the same.

This is the phone screenshot on the Play Store.

Tumblrphone_medium

via dl.dropbox.com

But posters here are saying the tablet app just stretched out the phone app. So what's really going on?

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via cdn0.sbnation.com