Sony has pointed to iPad and other Apple devices as beneficial to its handheld game business.  The Escapist reports on comments made by Sony director of hardware marketing John Koller to Wall Street Journal.  Koller told the paper that Apple’s entry into videogames has been a net positive for Sony.  He implied that when people who play portable games on Apple devices are ready for a deeper, richer console, they migrate to Sony s handheld PSP system.  The Escapist cites figures provided by Sony that show PSP sales have reached 42 million units worldwide while seeing year over year growth since Apple launched iPhone in 2007.  Read more at The Escapist.