Nintendo chief Satoru Iwata during his Game Developers Conference talk later on Thursday attacked the iPhone, and to a lesser extent Android, over their effect on gaming. He consciously avoided mentioning Apple or Google by name but was critical of them since gaming was strictly incidental and they had "no motivation" to keep the value up. About 92 percent of games on these platforms were free, he said, and they risked taking important income out of the business where the 3DS and DSi would keep it afloat.