Building a Device Manager App on Android: Lessons from Managing 300K+ Terminals | HackerNoon
Briefly

Managing a fleet of over 300,000 Smart Payment Terminals requires comprehensive device management, including remote updates, security compliance checks, and bug report generation for efficiency.
The ability to remotely configure, monitor transactions, enforce security policies, and manage kiosk mode significantly enhances the operational efficiency and security of Android-based devices.
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