Open the App Store, look up "Ultimate Rummy," and then tap the icon to start the download. Soon after, the app will start to download & install on your device. To get thetop online slots real money best performance out of your device, make sure it satisfies the minimal system requirements. You can quickly locate the app on your home screen after installation, ready to explore the fascinating world of rummy. Getting Started: Making an Account and Logging In After installing the Ultimate Rummy App, next you need to make an account.