Document Tree Organizer

1a) Browse a folder of your choice (old android) for folders and files within it.
1b) Organize files and folders into a folder of your choice inside the 'Android/dara/com.android.documenttraeeorganizer1/library' for newer androids with file access restrictions imposed by Google.

2) launch files and folders with double tap
3) create launch shortcuts or bookmarks for your favourite web pages, YouTube videos and organize them the same way as files and folders beyond your home screen.
4) create new folders anywhere along the tree for better organization.
5) create new text files anywhere along the tree as physical notes in your folders.
6) color any file or folder for annotating it.
7) you can 'finish' any file or folder to highlight it as completed or any other status as you like it.
8) color the background of the file explorer to annotate the opened folder.
9) organize multiple open folders into profiles with background color for each (pt 8 above).
10) move screenshots from a specified folder to any folder in the tree to collect, organize screenshots. (may not work for scoped storage modern android versions)
11) paste copied text as text files to any folder in the tree to collect, organize copied texts.

and https://www.animatrizfreeapps.blogspot.com

Unlimited version: https://play.google.com/store/apps/details?id=com.animatriz.documenttreeorganizer2