Split APKs Installer (SAI) is an open-source Android tool essential for installing modular app packages, such as .apks or .xapk files, that standard installers cannot handle. The app supports both rooted and non-rooted devices, featuring options for batch installation and application backups. To begin, users can download the app from GitHub or trusted mirrors and follow the in-app prompts to install split packages. Download and learn more at GitHub . Aefyr/SAI: Android split APKs installer - GitHub