Gemsuttle is a game pre-registration app that automatically enrolls users in all pre-registration and reservation games listed in the app. The app only requires users to input their phone number and email address to register for pre-registration and reservation games. Gemsuttle also allows users to easily confirm their pre-registration codes for each game without having to search for them in their messages. The app provides push notifications for games that have been pre-registered, and even offers premium coupons to users. In addition, Gemsuttle has a community feature where users can freely communicate with each other, share pre-registration codes, and exchange information. The app is available for Androidand higher.