SD Maid 2/SE positions itself as a comprehensive system maintenance tool for Android devices, developed by darken with a focus on removing digital clutter that accumulates through normal device usage. The application addresses common Android storage issues including residual files from uninstalled applications, redundant system logs, and unrecognized files that consume valuable storage space. The application's core functionality revolves around several specialized modules including CorpseFinder for locating leftover files from uninstalled apps, SystemCleaner for removing unnecessary system files, and AppCleaner for clearing application caches and data. Additional features include duplicate file detection, storage analysis tools, and a file manager with batch operations. The app employs sophisticated algorithms to identify safe-to-remove files while maintaining system stability, though it requires careful user review before deletion in certain advanced operations. User experience is characterized by a utilitarian interface that prioritizes functionality over aesthetics, featuring clear categorization of tools and detailed file information. The application provides explanatory text for each cleaning category and implements safety measures including automatic backups for certain operations. Real-world usage typically involves scheduled cleaning sessions combined with on-demand storage analysis, with power users often employing the app's automation features through task scheduling. With a 4.41 rating from the Android user base, the application demonstrates strong user satisfaction though specific review excerpts are unavailable for detailed analysis. The high rating suggests reliable performance and effective cleaning capabilities that meet user expectations for system maintenance utilities. The application's primary strength lies in its comprehensive cleaning capabilities and granular control over system maintenance, though it requires technical understanding for optimal use. Limitations include the need for root access for full functionality and a learning curve for novice users. Ideal for Android enthusiasts, device maintenance professionals, and users seeking detailed storage management beyond basic cleaning apps.