Barnes & Noble's Nook e-book reader has been subjected to a teardown and hack that reveals much of the bookseller's work on the device. It's now known by NookDevs that the Nook is running a stock version of Android 1.5 and is only customized primarily to mask the regular interface and optimize it for the device's unique dual-display design. Inside, it's known to use a Samsung S3C6410 ARM processor that could render OpenGL ES 2.0-level graphics and runs on a simple 2GB SanDisk microSD card....
Source : http://www.electronista.com/articles/09/12/14/nook...
Source : http://www.electronista.com/articles/09/12/14/nook...