1. Delta, a popular open-source retro game emulator for iPhone, has surpassed 10 million users. The emulator allows users to play a wide range of classic games from various gaming consoles, including the Nintendo Entertainment System (NES), Super Nintendo Entertainment System (SNES), and Sega Genesis, among others. The app has been continuously updated and improved, offering a seamless and user-friendly experience for retro gaming enthusiasts.

2. The article mentions that an iPad version of Delta is currently in the works and will be rolling out soon. This expansion to the iPad platform will provide users with a larger and more immersive gaming experience, as the larger screen size of the iPad will allow for better visibility and control of the classic games. The iPad version is expected to offer the same comprehensive library of retro games and the same level of performance and stability as the iPhone version.

3. The success of Delta, with over 10 million users, highlights the growing demand for retro gaming experiences on modern mobile devices. The ability to emulate classic games on smartphones and tablets has become increasingly popular, allowing users to relive their childhood gaming memories or introduce younger generations to the timeless classics. The article suggests that the continued development and expansion of Delta to the iPad platform will further solidify its position as a leading retro game emulator in the mobile gaming ecosystem.