[Prediction Market Platform Polymarket Returns to the U.S. and Launches App] The world's largest prediction market platform, Polymarket, has now returned to the U.S. and is gradually opening its brand-new mobile application to users on the waitlist. The initial features focus on sports predictions, with plans to expand to various markets in the future. Currently, only the iOS version is available, while the Android version is coming soon. Users can download the app to check their waitlist progress.