Does the job.

Very good design, best reliability of all the ios file managers I have tried, really good syncing with Dropbox and WebDav servers, very good handwriting on PDF files. Id love "dragndrop" for files and folders in the future, but undoubtedly - it is one of the best file managing apps available 2014.

Adamacnwaw about GoodReader PDF Editor & Viewer, v4.0.0