As such it is one of the simplest possible models of computation. Nevertheless, there is an elementary cellular automaton (rule 110, defined below) which is capable of universal computation.
In 2012, there were some 3,997 distinct Android devices. This year there are a whopping 11,868. Eight versions of Android are currently in use and 37.9 percent of users are running Jelly Bean, the latest version of the mobile OS. Samsung's apparent share of the market is 47.5 percent.
Updated February 27, 2017. Android is a mobile operating system maintained by Google, and is everyone else's answer to the popular iOS phones from Apple. It is used on a range of smartphones and tablets including those manufactured by Samsung, LG, Sony, HPC, Huawei, Acer and Motorola.