"I wasn't frustrated or irritated by it, " Hideki Konno, a Nintendo producer who played a key role on developing the 3DS, said through a translator in a recent interview.

CNN: 3-D smartphones ditch the glasses

Playing games in 3-D "is something that we've been continually testing and working on at Nintendo, " said Hideki Konno, who has directed or produced some of Nintendo's most prized franchises and was a key person in the 3DS's development, through an interpreter.

CNN: Mark Milian