First you will have to download the OTA from Google.
Google’s OTA(13300): http://cache.pack.google.com/edgedl/...8a47e9f124.zip
Next download “SquashFS Exracter”, this tool is used to extract the System.img.
SquashFS Exracter: https://mega.co.nz/#!oEMFQCrC!JbD_9X...9cKMRzq2i_vEDU
When you are ready to go, simply drag system.img onto unsquashfs.exe, and the extraction will do its thing.
A new folder named “squashfs-root” will be where the system.img were located. This folder contains the extracted System.
Have a look around, and please report findings!
/res/ - Contains some of the images used for the system. The boot animation is placed here.
/netflix/ - Self-explanatory. The Netflix app for the Chromecast.
/chrome/content_shell.pak – Contains a lot of useful information for the right eyes.
/chrome/osd_images/**** - Contains images used for the on-screen-display atm. volume slider.
/chrome/locals/ - Contains language files for the Chromecast.
Thx to ddggttff3 and tchebb for the links etc.