Google Developers Group
As we’ve already understood people like smartphones for the huge variety of opportunities they provide. Smartphones’ popularity still increases, and the number of applications is growing extremely fast and sometimes the apps and software become even more important than hardware specifications of the phones. Apps are admired by most of phone users. There are thousands of them.
Take a look at the chart below:
So, as we can see, applications have already become one of the most important parts of people's “mobile life”.