NordLocker Android is a mobile application that provides file encryption and secure storage for Android devices. The application encrypts files stored on Android devices and offers synchronization capabilities through a private cloud service for cross-device access. The application implements end-to-end encryption to protect files stored on mobile devices. Users can store encrypted files locally on their Android device or sync them via cloud storage for access across multiple devices. The encryption ensures that data ownership remains with the user and files stay protected even if the device is lost or damaged. NordLocker Android enhances the default Android encryption that has been available since Android 5.0 (Lollipop). The application addresses limitations in default Android encryption, which can be compromised using available tools and online guides. File-based encryption (FBE) was introduced in Android 7.0 (Nougat) as part of the default Android security features. The application is available for download through the Google Play Store and is designed to work alongside NordLocker versions for other platforms, enabling users to maintain consistent file security across different devices. The service provides secure file storage and synchronization while maintaining encryption throughout the data lifecycle.