SAN FRANCISCO — The allure of the iPhone was not its brushed metal or shiny touch screen, but the apps that turned it into anything from a flute to a flashlight. Now, Google hopes that apps will do the same…

Developing Google Glass was not enough for the Internet firm, the tech giant has now unveiled a pair of talking shoes.But that does not mean the search giant is planning to get into the sneaker or footwear business.The experiment was…