Google today made the source code of Android 4.0 Ice Cream Sandwich available to developers. This build of Android is the specific version that will ship on the Samsung Galaxy Nexus, the first Ice Cream Sandwich smartphone, and is numbered 4.0.1. Google said that the code contains the entire Android family tree, including 3.2 Honeycomb, but Google prefers that developers ignore Honeycomb and focus all efforts on Ice Cream Sandwich instead. The source code is free to download.