The Good Deed Tracker (イイコトメモリ; Iikoto memori; Good Deed Memory) is a device in the Stitch! anime's first two seasons, Stitch! and Stitch! ~The Mischievous Alien's Great Adventure~, made by Dr. Jumba Jookiba that is similar to a personal digital assistant (PDA). It was made for Yuna to help her track Stitch's journey as he tries to accumulate good deeds. A second Good Deed Tracker device was later made and given to Sasha in the second season so she would be able to join them in Stitch's quest and keep in touch with Yuna via instant messaging.
Background[]
The device was made before the events of "Hull & Husk", the episode in which it was first shown on-screen. Yuna introduces it to Stitch after they arrive at the local pineapple factory for their field trip with Ms. Kawasaki and her class. It has a notepad function that allows Yuna to type down notes on what Stitch has done to gain good deeds and a satellite-tracking function that tracks the amount of points on and the position of Stitch's Good Deed Counter, so she would always know how many good deeds he has on it and where to find Stitch. Some season two episodes also show that it contains an experiment database feature much like the one on Jumba's Computer and the Experiment Pod Container from Lilo & Stitch: The Series, allowing the user access to information on Jumba's genetic experiments. This combined with its portability also makes the device somewhat similar to the Pokémon franchise's famous Pokédexes.
In "Pteranodon!", Jumba "accidentally" invents a second Good Deed Tracker, colored pink in contrast to Yuna's blue Tracker, and gives it to Sasha under Pleakley's suggestion. Both Yuna and Sasha are delighted with the second Tracker as it means that they can now communicate with each other via text messages.
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