This device is part of the LeapFrog NXP320 Platform, it's recommended to start there for general information.
The LeapsterGS is part of 2 different devices that all share a common hardware platform, based around the Nexell [ http://nexell.co.kr/eng/pro/pro02.html | NXP3200] SoC. The platform page contains information generic across these devices, and it is recommended that you refer to that page as it is a good starting point to understanding the LeapsterGS, and contains some basic How To's and Tutorials to get you started.
The LeapsterGS (like the LeapPad2) is a toy produced by LeapFrog marketed as an educational handheld gaming console for kids aged 4-9. Although it has a proprietary graphical front end, it runs an Angstrom Linux distribution on the same Cortex-A9 processor as the LeapPad2. It also has built in accellerometer, a camera, and microphone, along with a touch screen.
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