Is there a good Android app that combines video downloading and playback in a single application?

OnePlayer is a versatile Android application that merges video downloading capabilities with a robust media player, designed for users seeking an all-in-one solution. The app supports downloading videos from a range of platforms, including popular sites like YouTube, though reviews indicate some limitations with Facebook Reels availability. Its integrated player handles multiple video formats, reducing the need for external conversions or separate playback apps. For real-world use, this is ideal for students saving lecture videos for offline study, travelers downloading entertainment before trips, or casual users archiving social media clips. Specific features include a straightforward download manager, subtitle support, and background playback, enhancing convenience. User feedback highlights the app's efficiency in eliminating app-switching hassles, with many praising its seamless experience. However, the occasional hiccup with certain social media sources, as noted in reviews, means it might not cover every niche platform perfectly. Overall, OnePlayer balances functionality and usability, making it a practical choice for everyday video management needs.