New phone. New York. Real players. Diamond District: Trade Tycoon is a living, simulated economy inside GemOS, a phone within your phone. Open apps, check widgets, customize your homescreen, and explore a virtual New York diamond district where every app connects to the same persistent world. Mine rare gems, craft luxury jewelry, trade with real players, speculate on a player-driven market, lend capital, build your reputation, and even publish the news. Every action feeds the economy, and every player helps shape it. Build your operation, find your edge, and make your name in the Diamond District.