AI PDF Reader-All File Readers by FH.Studio positions itself as a comprehensive document management solution for Android users seeking centralized access to various file formats. The application automatically scans device storage to locate and categorize documents, eliminating manual file hunting while providing a unified interface for PDF, spreadsheet, presentation, and word processing files. The core functionality centers around a robust PDF viewer supporting both page-by-page navigation and continuous scrolling modes, with horizontal and vertical viewing orientations accommodating different reading preferences. The direct page jump feature enables quick navigation through lengthy documents, while the automatic file categorization system organizes content by type for streamlined access. The application handles multiple Office formats including DOCX, XLSX, and PPTX files alongside standard PDF documents. User experience demonstrates particular strength in accessibility, with an interface designed for straightforward navigation that appeals to both technical and non-technical users. The automatic file discovery system reduces setup time, while the viewing options accommodate various reading scenarios from quick reference to extended document review. Real-world usage patterns suggest effectiveness for professionals accessing work documents, students managing study materials, and general users organizing personal files on mobile devices. User feedback consistently highlights the application's accessibility for non-technical users, with multiple reviews from Merritt Springer (July 2, 2025) noting the clear explanations and user-friendly approach that helps those less comfortable with technology navigate document management tasks effectively. The 4.3-star rating reflects generally positive reception regarding usability and feature implementation. The application demonstrates notable strengths in file organization and viewing flexibility, though limitations include the absence of advanced editing capabilities or cloud integration features found in competing solutions. Ideal for users requiring straightforward document access and reading without complex editing needs, the app serves as a practical solution for mobile document management with particular appeal to those valuing simplicity and automatic organization.