SAN FRANCISCO--Google touted Android's spread across the world today, saying growth of the mobile operating system and applications is accelerating.
There have been 100 million Android device activations.
A total of 310 Android devices have gone on sale.
There are 36 phone makers, 215 carriers, and 450,000 Android developers.
The phones are available in 112 countries.
It took two years to reach the first billion application installs. The next billion took 5 months, and the billion after that took 60 days. There have been 4.5 billion app installs so far.