This document provides an overview of the Indonesian mobile market in 2013. It summarizes that there were 74 million mobile users in 2012 growing to an estimated 141 million by 2020. It also breaks down the Indonesian population and average household expenditure by socioeconomic class. The document reviews the top mobile apps in Indonesia which are mostly free creative content apps, games and messaging apps and the platforms and devices Indonesians use. It provides insights into Indonesian customers' behaviors, challenges and spending habits to understand how to pivot mobile products for the market. Revenue models are also examined showing a shift towards B2C models from 2011-2013.