A Smart Phone is a device like a cell phone but has many more functions than a traditional cell phone. The major differences between the two are the size of the LCD or LED Screen, there are more wireless functions such as GPS, Wifi and Bluetooth capabilities on the Smart Phone.
A major factor that makes these Smart Phones have the extra function is they have a lot faster data connections to the Internet and other data services. Smart phones generally have a powerful CPU (Central Processing unit) or computer, that is capable of displaying 3D graphics.
Do I need a smart phone?