QuickEdit can open files from recent file list. You can open recent file list by clicking "Recent Files" in navigation drawer.
The recent files fragment is like following:
Recent files fragment contains two categories, recently opened files and recently added files, which will be introduced below.
Recently Opened Files
QuickEdit will track the file open history. This list contains the files which have been previously opened by QuickEdit. This list will show at most 40 files, which are sorted by last opened time.
You can clear all file records at once by clicking floating action button at bottom of the page. You can also swipe from right to left to delete single file record.
Recently Added Files
QuickEdit will analyze the latest added/created text files on your device, no matter it is created by QuickEdit, or downloaded from browser, or saved from Gmail, etc.
This list will show at most 40 files within last 7 days, which are sorted by last opened time.
This list will be only available on devices running Android 3.0 and above.