iA Writer for Android includes flexible file management from within the Library:
- Create a new document or folder by tapping the
- Open an existing document by tapping it
- Rename, move/transfer*, or delete a document by tapping and holding the document’s name
- Change the currently viewed storage by tapping the top-center menu
Move changes a file’s location within the file hierarchy of one storage medium.
Transfer moves it between storages (e.g., Documents → Dropbox)