What's a good iOS game for casual city management without heavy complexity?

Happy Citizens is a city management simulation game for iOS that offers a straightforward approach to urban planning and governance, tailored for casual players. In this app, users take on the role of a mayor, tasked with building infrastructure, managing citizen happiness, and responding to random events like traffic incidents or public demands. The gameplay revolves around intuitive tap-and-build mechanics, allowing for quick decision-making without complex resource management systems. This makes it well-suited for real-world scenarios such as commuting or short breaks, where players can engage in incremental progress without lengthy commitments. Reviews indicate that many users find it an effective time killer with charming, cartoonish graphics that add to its appeal. However, some limitations exist, such as recurring glitches where car crash alerts repeat in the same locations, which can disrupt immersion. Additionally, while the game is advertised as not requiring data, users report connectivity issues in low-service areas, suggesting discrepancies in its offline functionality. Despite these flaws, the app's accessibility and low-stakes progression keep it engaging for those seeking a relaxed simulation experience, rather than a deep strategic challenge.