The Nintendo Game Boy Advance SP was released in Japan on July 28th, 2003. It featured a clamshell design with a built-in backlight and a rechargeable battery that allowed for up to 10 hours of playtime. The device had a 32-bit ARM7 processor and supported games up to 32MB in size.

The Game Boy Advance SP was compatible with all previous GBA games, but it also included some new features such as the ability to connect to a TV via the AV multi-out port for gameplay on a larger screen or through the use of cables that allowed for multiplayer gaming. The device's battery life was significantly improved over its predecessor, allowing users to play for up to 10 hours without needing to recharge.

The Game Boy Advance SP also introduced a new type of game cartridge known as the "Cool Heat" system. This system used thermochromic ink to change color depending on the temperature of the environment in which it was played. The ink would change from blue to red when exposed to heat, creating a unique visual effect.

The Game Boy Advance SP received widespread critical acclaim for its improved battery life and new features. Many reviewers praised the device's sleek design and the addition of the AV multi-out port, which allowed for more flexibility in terms of gameplay options.

However, some critics noted that the device was not significantly different from its predecessor, the original Game Boy Advance. They argued that while the improvements were welcome, they did not necessarily justify the higher price point of the SP.

In terms of age ratings, the Nintendo Game Boy Advance SP is rated E by the Entertainment Software Rating Board (ESRB) for Everyone in North America, suggesting that it is suitable for players of all ages. In Europe and Australia, the device has an E (Everyone) rating from PEGI (Pan European Game Information), which also indicates that it is suitable for players of all ages.

Rating: E