My Data Manager: Data Usage by ST Advanced represents a specialized utility application designed to address the growing need for precise mobile data management. The app positions itself as a comprehensive solution for Android users seeking to monitor, analyze, and control their data consumption across multiple network interfaces including mobile data, Wi-Fi, and roaming connections. The application's core functionality revolves around real-time data tracking with detailed breakdowns by application, time period, and network type. Features include customizable data plan settings with renewal cycle alignment, data usage forecasting based on historical patterns, and alerts that trigger at user-defined consumption thresholds. The system employs background monitoring that automatically distinguishes between different network types, providing accurate attribution of data usage without requiring manual input for network switching events. User experience centers on a clean, information-dense interface featuring color-coded data visualizations and intuitive navigation. The dashboard presents current usage statistics alongside projected monthly consumption, while detailed drill-down screens reveal application-specific data usage patterns. Real-world usage scenarios include travelers monitoring international roaming charges, budget-conscious users avoiding plan overages, and productivity-focused individuals identifying data-intensive applications that may require usage optimization. With no specific user reviews available for analysis, the application maintains a 4.5-star rating suggesting generally positive reception. Typical data management applications of this category commonly receive feedback regarding accuracy of tracking, battery impact of background monitoring, and effectiveness of alert systems. The absence of detailed user testimonials necessitates reliance on the application's feature set and technical specifications for evaluation. The application demonstrates particular strength in its multi-network monitoring capability and detailed usage analytics, though potential limitations may include varying accuracy across Android device manufacturers due to system-level data reporting differences. Ideal use cases include users with limited data plans, frequent travelers managing roaming costs, and individuals seeking to identify background data consumption patterns across their application ecosystem.