This document summarizes the status of Japan's social gaming market in 2013. It discusses the fragmented market dominated by GREE and DeNA, with an estimated market size of $3-4 billion. It also outlines 10 key trends, including the rise of smartphones, chat apps, and puzzle games like Puzzle & Dragons. Internationalization efforts by Japanese companies have struggled, but some content is finding success abroad, and the future may lie in content provision over platforms.