Nowadays, you can’t go anywhere without seeing someone on their smartphone. Smartphones are probably the most common type of mobile device. With a smartphone you can make voice calls, email, text, send instant messages, view and send pictures and video, surf the Internet, and more.
Smartphone generally fall in the range of 3.5 inches to 6 inches in diagonal length.
Just like tablets, smart phones are great in a variety of applications from productivity, gaming, navigation, and more.