The touch sensor and touch module solution were developed by Nissha Printing Co.

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The display, touch-screen module, as well as the applications processor and power management integrated circuit are all thought to be made by Samsung.

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Each module is outfitted with a pair of rugged treads, various onboard sensors, a touch sensor, GPS module, and gyroscope to help then navigate and identify their surroundings.

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In addition, TSS 3.0 works with Freescale's touch-sensing input (TSI) module, which is embedded into several hardware platforms, to provide better touch detection.

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On the back, the camera still peeks out of the top-left, but the module is considerably larger now and, where it was inset on the fourth-gen iPod touch, it now protrudes slightly -- just over 0.6mm, by our measurements.

ENGADGET: iPod touch review (2012)