The Next Generation Portable, NGP, PSP2--whatever you want to call it--features a massive 5-inch OLED touch screen, a rear touch pad, two analog sticks, and two cameras.
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L and R shoulder buttons flank the device up top. Noticeably absent: a UMD drive.
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The rear of the NGP features a touch-sensitive pad that players can use to control games. We're imagining even more functionality for the area that could come into play as well.
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The NGP also has stereo speakers, a built-in microphone, and all of the game buttons from the original PSP.
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Here is a still-frame demonstration of how the rear touch pad might be used.
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Here we see what's likely to be the NGP's home screen, allowing the user to clearly see and access all of the device's features.
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From this angle, we can see the two analog sticks protruding out more than the PSP's "nub" did.