This document summarizes key trends in the Asian mobile market. [1] China has over 1 billion mobile subscribers, over 150 million using 3G, and over 400 million using mobile internet. [2] Other top Asian markets for mobile subscribers include India, Indonesia, and Brazil. [3] Smartphone usage is growing rapidly in Asia, especially in Japan, South Korea, and Hong Kong. [4] The document identifies opportunities in mobile advertising, second screen TV, mobile payments, and mobile health in Asia and considerations for developers entering the Asian mobile market.