During a keynote presentation at the Google I/O conference, Sundar Pichai, SVP of Android Chrome & Apps, revealed that there have been 900 million Android activations in total.
Hugo Barra, VP of product management at Android, revealed that Google Play has just crossed 48 billion app installs, including 2.5 billion installs in the last month. He also said that so far this year, Google has already paid out more money to developer in Google Play than in all of last year and he said that than that revenue per user is 2.5x what it was a year ago globally.
Google also revealed three new location APIs at the show. This includes a fused location provider which makes location faster to acquire, more accurate, and it takes less battery. Another new API is called geofencing, which lets developers set up a virtual fenced area around a location which are triggered when a user enters or exits these areas. The third new API is a new activity recognition feature that will let developers track physical data and automatically figure out walking, cycling and driving behavior without turning on the GPS.