Another good move: Samsung rewrote the standard Android email app so it's better, with a unified inbox and other nice improvements.

WSJ: Galaxy S 4 Is a Good, but Not a Great, Step Up

All of the built-in apps worked fine for me, except Mail, which lacks common features like a unified inbox, and an unread-mail folder.

WSJ: Microsoft's Touch-Screen Tablet Is Designed for Work

From here, swiping to the right will bring up the full launcher, and gesturing to the left will bring you to the unified inbox.

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