Ghost Commander is a dual pane file manager (in addition to an FTP, SFTP, SMB, WebDAV, Drive, BOX, Dropbox client!) That will allow you to manage your files locally or remotely, as well as adjust your system in root mode .
+ easy sorting by name, extension, size or date
+ customizable multiple selection
+ change the owner of the file and the permissions
+ favorite shortcuts for folders and locations
+ calculation of file and folder size and MD5 and SHA-1
+ search for files by content and other properties
+ text editor (built-in or external)
+ text and image viewers
+ send files by email, Bluetooth, etc.
+ Windows network support through optional SMB plugin

Supported Android
(4.1 and up)
Ice Cream Sandwich (4.0 – 4.0.4),Jelly Bean (4.1 – 4.3.1),KitKat (4.4 – 4.4.4),Lollipop (5.0 – 5.1.1),Marshmallow (6.0 – 6.0.1),Nougat (7.0 – 7.1.1),Oreo (8.0-8.1), Pie(9.0)