any device which is to be classified as a Pocket PC must:
Run Microsoft's Windows Mobile, PocketPC edition
Come bundled with a specific suite of applications in ROM
Note: the name Windows Mobile includes both the Windows CE operating system and a suite of basic applications along with a specified user interface
Include a touchscreen
Include a directional pad or touchpad
Include a set of hardware application buttons
Be based on an ARM version 4 compatible CPU, Intel XScale CPU, MIPS CPU or SH3 CPU. (As of the Pocket PC 2002 specification, ARM-based CPUs are required.)
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