توضیحات:

Secure Downloader is a lightweight download manager that can quickly download many types of files from Internet for you. You can pause, resume, restart and cancel any download. First multithread supported download manager app with simple , lightweight , better & faster with mention feature

* Multi-thread support.
* Perfect pausing and resuming without loss of data even if app was crashed
* Simple ' In-App browser ' with Video detector feature.
* Very simple user interface with Material Design
* Run in background to you can perform other activities on your device.
* Several files may be downloaded simultaneously or in queue.
* And, it's fully open-source.

This app is based on open source app that all are available in github.