While the global smartphone market is slowing down, smartphone vendors in China and emerging markets manage to retain shipment growth this year, thanks to their flexible business models and premium products at affordable prices. In particular, some vendors focus on building audiovisual content ecosystems while others boast unique and innovative product designs. Android and iOS continue to dominate the market with over 95% market share while emerging OSs, such as Ubuntu, Sailfish, and Alibaba's Yun OS, are striving to find a foothold in IoT or smart home application markets. This report provides a recent review of the worldwide smartphone market, touching on vendors' market development strategies, major trends of smartphone OSs, and smartphone applications.