Please visit the application's web site.
Ghost Commander is a minimalist file manager for Android platform inspired by famous (Norton|Midnight|Total) Commander application.
It has two separated panels, and allows you to make folders, copy and delete files and directories between the panels, open a text file for editing, etc.
The operations are bound to number keys, with same numbers as in the prototype applications for easy remember.
It has module architecture, and could in theory work with any file sources (not only file system), such as FTP, SMB, etc.