
At the outset, smartphones were equipped with a small screen size, ranging between 2.8 inches and 3.5 inches. This made it difficult to perform various functions such as navigating documents, surfing the Internet, watching videos, and gaming among others. Superphones are smartphones with the screen size ranging between 4 inches and 5 inches, and are large enough to serve the aforementioned purposes. After the introduction of tablet PCs in the market, these devices became rapidly popular due to their ease of usage, and processing capability comparative that of a personal computer. However, due to the relatively larger size of these gadgets, they offered low mobility. Phablets are devices with screen size ranging between that of a tablet PC and a smartphone, and have powerful processors. They can function as both a smartphone as well as a tablet PC.