Aria2App is described as 'allows you to handle your downloads on aria2 wherever you are!' and is an app in the File Sharing category. There are five alternatives to Aria2App for a variety of platforms, including Android, Windows, Linux, Android Tablet and Xfce. The best alternative is uGet, which is both free and Open Source. Other great apps like Aria2App are aria2 (Free, Open Source), Download Navi (Free, Open Source), aria2 for Android (Free, Open Source) and Loader Droid (Free).
LoaderDroid is a Download Manager tailor made for the Android platform. It supports ANY type of file for downloading: Videos, Images, Music, Applications, anything. And all this is accomplished whilst having a very small footprint on your Androids resources.