According to the Google Play Store, Skype for Android is now the most popular app for video calling. With over 70 million downloads worldwide, the U.S. is responsible for most of these- 23.36% to be exact. Second place by a long shot is Japan, coming in at 6.96%. Operating on over 1,300 Android devices, this platform has come a long way. How many of you use Skype for Android?