1. In-app purchasing has gained significant momentum over the last 12 months and now dominates monetization of mobile games, accounting for 72% of revenues.
2. Virtual currencies are a major driver, comprising 78% of DeNA's mobile revenues, as they encourage user engagement and in-app purchasing.
3. Emerging trends include the growth of Windows Phone 7 and an increasing number of users playing games across multiple platforms. Geography also plays a role, with in-app purchasing comprising only 34% of revenues in China.