The total number of mobile applications available across the top smartphone platforms in the world is now approaching the 1 million-app milestone. This is further highlighting the rapid growth of the smartphone and tablet software market. An average of 2,000 apps enter the marketplace each day (with numbers higher right now for the holiday rush). In the last 12 months, Apple apps grew from 338,000 to 589,148, and Android apps went from 115,000 to 319,774. Concurrently, according to mobile tracking firm Gartner, US sales of smartphones grow from 67 million in 2010 to 95 million in 2011. That’s well over 260,000 smartphone purchases made every day!