Complex sentence: Perpetual is developing the Perpetual Entertainment Platform, a complete solution for developing, hosting, monitoring, and operating any networked online game playable on a wide variety of consumer game devices, (PCs, videogame consoles, cell phones, and hand-held computers).
Split into simpler sentences: Perpetual is developing the Perpetual Entertainment Platform (PEP), a complete solution for developing, hosting, monitoring, and operating a networked, online game. The PEP enables games to simultaneously function on a wide variety of consumer game devices, including (PCs, videogame consoles, cell phones, and hand-held computers).