You're not seeing double. The Kyocera Echo has two touch screens that can join together to form one large display. Needless to day, it's fairly unusual.
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In its closed position, however, the Echo looks like your average Android smartphone.
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You also can open the Echo's displays at an angle. Here you can see how the home screen stretches out across both displays.
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In "optimized" mode, one display shows an application and the other shows user controls. Though the mode works across most features, it's a particularly comfortable arrangement for typing. Notice how the virtual keyboard takes up the entire bottom screen.
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In "simultasking" mode you can open two apps at the same time. Here we're running both the phone dialer and the messaging app.
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In tablet mode one app runs on both screens. This was very useful for maps and the Web browser.
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The dual-screen design gives the Echo a thick profile. Most of the user controls and peripheral ports are located on the left spine.
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The camera lens, self-portrait mirror, and flash sit on the Echo's rear side.