Hero Download Manager (HDM) is a free download manager with an impressive set of features. HDM is an Android app developed by GSant. The app has a material design, various themes, and supports Android TV and Chrome OS. HDM allows users to pause and resume downloads, download files in the background, and perform simultaneous downloads. The app also has a built-in video player, which makes it easier to watch downloaded videos without leaving the app.

HDM has a multipart download feature that allows users to split a file into multiple parts and download them simultaneously, which can speed up the download process. The app also has roaming controls, user agent control, and referer control features that allow users to manage their downloads easily. HDM can calculate the hash value (MD5 and SHA-256), which is useful for verifying the integrity of downloaded files. The app also has power management and battery control features, which can help save battery life.

Overall, HDM is a feature-packed download manager that offers many useful features. The app is easy to use, and the integrated video player is a nice touch. If you need a download manager for your Android device, HDM is definitely worth checking out.