It makes easy to find files when you need them. Instead of looking for folders like images, music and documents separately, you can access them in one place. It offers also advance search options including file size, date, case sensitivity etc.
Another feature of ASTRO is its application management capabilities. As well as uninstalling and sorting, it can back-up your other applications and restore them when needed.
If you are experienced user, ASTRO has a process management module. It shows you running processes in your phone and let you to choose and kill them in order to save the battery.
With its SD card management window, you can see the SD card memory usage graphically and manage your files by moving or deleting.
Additionally, it enables your files to be stored in the cloud. So, it supports cloud services like Dropbox, Google Drive and Sky Drive etc.