portable

The iPhone is a line of Internet- and multimedia-enabled smartphones designed and marketed by Apple Inc. The iPhone functions as a camera phone (also including text messaging and visual voicemail), a portable media player (equivalent to a video iPod), and an Internet client (with e-mail, web browsing, and Wi-Fi connectivity)—using the phone's multi-touch screen to provide a virtual keyboard in lieu of a physical keyboard.

The Nintendo DS Lite is a dual-screen handheld game console developed and manufactured by Nintendo. It is a slimmer, brighter, and more lightweight redesign of the Nintendo DS, designed to be aesthetically sleeker while taking styling cues from the Game Boy Advance SP, and to appeal to broader commercial audiences. It was announced on January 26, 2006, more than a month before its initial release in Japan on March 2, 2006 due to overwhelming demand for the original model.

The Game Boy Advance SP, released in February 2003, is an upgraded version of Nintendo's Game Boy Advance. The "SP" in Game Boy Advance SP stands for "Special". The SP was marketed at US$99.99 at launch. In September 2004, Nintendo lowered the price to US$79.99. The SP is accompanied by the Nintendo DS (released in November 2004) and the Game Boy Micro (released in September 2005).

The Nintendo DS is a dual-screen handheld game console developed and manufactured by Nintendo. It was released in 2004 in Canada, the United States, and Japan. The console features a clamshell design, similar to the Game Boy Advance SP, with two LCD screens inside—with the bottom one being a touchscreen.

The Game Boy Color is Nintendo's successor to the Game Boy and was released on October 21, 1998 in Japan, November 19, 1998 in North America, November 23, 1998 in Europe and November 27 1998 in UK. It features a color screen and is slightly thicker and taller than the Game Boy Pocket. As with the original Game Boy, it has an 8-bit processor, but is smaller than the processor in the original system. The Game Boy and Game Boy Color combined have sold 118.69 million units worldwide.

The Game Boy Advance (often shortened to GBA) is a 32-bit handheld video game console developed, manufactured, and marketed by Nintendo. It is the successor to the Game Boy Color. It was released in Japan on March 21, 2001; in North America on June 11, 2001; in Australia and Europe on June 22, 2001; and in the People's Republic of China on June 8, 2004 (excluding Hong Kong).

The Game Boy is an 8-bit handheld video game device developed and manufactured by Nintendo. It was released in Japan on April 21, 1989 (1989-04-21), in North America on July 31, 1989 (1989-07-31), and in Europe on September 28, 1990 (1990-09-28). It is the first handheld console in the Game Boy line. It was created by Gunpei Yokoi and Nintendo's Research and Development—the same staff who had designed the Game & Watch series as well as several popular games for the NES.

Betacam is a family of half-inch professional videotape products. It was developed by Sony in 1982. In colloquial use, "Betacam" singly is often used to refer to a Betacam camcorder, a Betacam tape, a Betacam video recorder or the format itself.

Sony's PSP contains state of the art technic, and was seen as the DS-killer after its announcement. Some saw Nintendo in decline already, but that has not happened. The PSP sells okay, has great technology and impressive visuals, but too many loveless PS2 conversions, a UMD concept that was a flop, strange multimedia ideas and simply too less exciting exclusive and fresh titles to really compete with the DS.

While the Gizmondo was a nice and even powerful handheld system, strange marketing and one of the biggest cons of videogame history ruined it from the start. Nowadays, a nice addition to your collection, but nothing more.

The Game Boy Micro is the smallest Game Boy ever released. It contains the Game Boy Advance technology in an unbelievable small housing, with a crisp, backlit colourscreen.