Great use of negative space to incorporate 2 subjects into one: an airplane and a map icon symbol to represent traveling. It's easily understandable what this app icon is for, and the scaleability would work well since it's such a simply design.
Quotes. App Icon
Found ~ Flat Mobile Icons Designs for Your Inspiration by Nancy Young thanks to Hongkiat. http://www.hongkiat.com/blog/flat-mobile-app-icon/ #FlatDesign #Illustration #Icons