This document is a technical report detailing Irdeto App Control, a solution designed for pay-TV operators managing hybrid or pure OTT video platforms. It outlines the challenges posed by open app stores, including risks such as piracy, malicious software, and unstable applications that can compromise service quality. The report emphasizes the importance of maintaining control over third-party app usage to protect subscribers and ensure compliance with content protection requirements. It explains how Irdeto App Control provides operators with visibility and control over app usage, enabling them to monitor, block, or remove problematic apps. The solution also allows operators to gather consumer insights to inform business strategies and optimize platform performance. Additionally, it discusses the necessity of adhering to governmental regulations regarding app availability and content security. Overall, Irdeto App Control aims to restore a level of operational control for pay-TV operators that is comparable to proprietary STB platforms.