Download Manager can be used to download large files effortlessly. -It also supports downloading in the background. So, no need to keep the app on and stare on it for long, while downloading large files. -You can download and play MP3/MP4 files with ease. -You can also set your download preference. You can set any of the following options for your download operation: * Allow transfer only through WiFi. *Allow transfer only when the device is connected to power. *Allow transfer through WiFi/Cellular. *Allow transfer when connected to WiFi and power source. I am planning to add the following features in the future: *Live tile support *Transfer speed Note: The app currently supports opening of MP3/MP4 file formats only. Update: You asked for it and you have it. Delete option added. Sorry, I should have added it earlier itself.