"In 2002, Nintendo released a new model titled the Game Boy Advance SP. It has a clamshell design for better portability, a frontlit screen, new triggers, and a rechargeable battery. While the screen and triggers are an improvement over the original, the d-pad and buttons are much more clicky and my hands feel cramped. I understand why people like it, but it’s not my favorite design. The SP had tons of great color options though. I’ve owned a blue one and a red one before, but I really want the Limited Edition SpongeBob Squarepants version. That one is awesome."
Fun fact, the SpongeBob Squarepants GBA SP is a model AGS-101. Because of that, it has a better screen than most other Game Boy Advances, with the exception of the NES themed one and the Game Boy Micro. Good stuff, that SpongeBob GBA.