What's the best Android app for quickly viewing PDF documents on the go?

PDF Reader is a straightforward Android application designed for users who prioritize speed and simplicity when handling PDF files. It excels in scenarios like reviewing work documents during a commute or accessing instructional manuals in real-time, thanks to its near-instant loading times and minimalistic layout. Key features include a bookmark function for easy navigation, text search capabilities to locate specific information quickly, and support for offline viewing, which is useful in areas with spotty internet connectivity. Users report that the app helps them stay organized and follow complex instructions more effectively than scrambling through physical copies or slower alternatives. However, some reviews indicate that the free version includes advertisements, which can occasionally interrupt the reading experience. Additionally, while it handles basic viewing well, it lacks advanced editing tools found in premium PDF suites. For everyday tasks like reading e-books, checking reports, or following guides, PDF Reader provides a dependable and efficient solution without unnecessary complexity.