REC - Screen | Video Recorder positions itself as a comprehensive screen capture solution for Android users seeking high-quality recording capabilities without subscription requirements. The application distinguishes itself through support for ultra-high-definition recording resolutions alongside synchronized microphone audio capture, addressing a growing demand for professional-grade mobile screen recording tools. The application's core functionality centers on flexible recording presets supporting resolutions up to UHD (3840×2160) with adjustable frame rates and bitrates. Recording controls include floating widgets for one-touch operation, countdown timers, and pause/resume functionality during active captures. Audio configuration permits simultaneous system audio and microphone recording with individual volume sliders, though system audio capture remains subject to Android version limitations and device-specific restrictions. User interface design employs a minimalist approach with primary controls accessible through a persistent notification shade widget and floating recording indicator. The post-recording workflow includes basic editing tools for trimming clips and a dedicated gallery section organized by recording date and resolution. Real-world usage patterns indicate strongest adoption among mobile gamers capturing gameplay, educators creating tutorial content, and remote workers documenting software issues for technical support purposes. With no user reviews available for analysis, assessment relies solely on technical evaluation and comparative benchmarking against established screen recording solutions. The absence of user feedback prevents verification of stability claims or identification of device-specific compatibility issues that often emerge with screen recording applications. The application demonstrates particular strength in resolution flexibility and audio configuration options, though the absence of advanced editing features or cloud integration may limit utility for professional content creators. Optimal use cases include quick documentation tasks, informal tutorial creation, and gameplay recording where premium editing features remain unnecessary.