They leave small developers in pain More than half of the U.S. Android activity is dominated by 20 apps, says Nielson. A latest research of Nielson, a popular marketing research company, claims that top ten apps account for 43 percent of all activity in Android mobile and another 8 percent is grabbed by the next 10 apps. The top 50 apps cover an astonishing 61 percentage of Android usage. That makes other 250,000 Android apps to battle it out for the …
