In addition, there are three function buttons are Power, Select, and Start. They consist of the symmetrically placed basic buttons which are a directional pad and four X, Y, A, B buttons, and two shoulder buttons. Besides, the physical hard buttons are also integrated to bring a real, solid hand feel. In particular, the lower body is a touch screen, allowing players to perform actions by touching directly or using Stylus. Nintendo DS is a handheld game console in the Clamshell model with a dual-screen display. Besides, there are redesigned devices such as Nintendo DS Lite, Nintendo DSi and Nintendo DSi XL. It was once considered a serious contender for Sony’s PlayStation Portable, also in the seventh generation. As of 2016, the Nintendo DS has sold more than 154 million copies worldwide, an unthinkable number, almost double the sales of its predecessor GBA. Although the last machines were manufactured in 2013, the number of its buyers continued to increase.
North American is the first place to purchase these devices, followed by Japan, Australasia, and stops in European countries. The arrival of the Nintendo DS created such a craze in 20 that everyone rushed to the store to buy a device like this. After the success of the Game Boy Advance product, with more than 80 million copies sold, Nintendo continued to launch a handheld console next to the Nintendo DS (aka iQue DS, or single rather than DS).
