In 1992, the first smartphone, IBM Simon, was introduced at COMDEX in Las Vegas, Nevada.
The IBM Simon Personal Communicator sported many of the features considered standard for smartphones today – a touchscreen (albeit monochrome), icons, email, calendar, predictive typing and even a game, Scramble. You could deliver more features, aka apps (camera, maps, and music), by inserting a memory card into the phone.
Learn more at http://www.businessweek.com/articles/2012-06-29/before-iphone-and-android-came-simon-the-first-smartphone.