The document lists the major versions of the Android operating system from 1.0 to 7.0 Nougat, providing the release date and key details of each version such as the Linux kernel it was based on. It discusses the first version to use a dessert-themed codename (Cupcake), the versions that introduced tablets (Honeycomb) and a unified platform for phones and tablets (Ice Cream Sandwich). The most recent version is Android 7.0 Nougat which was expected to be released in late 2016.