Foto Gallery app with folder structure

[goddessprayer]

Hallo.

I'm looking for a special gallery app for my tablet and I hope, you have any hints for me.

What I want is to show and browse through my fotos on my tablet and keep my folder structure, which I have on the pc.

for example

fotos
- cities
- bamberg
- nuremberg

etc.

All apps, I have tested will show this as a "flat" structure, what means, all folders and subfolders are equal beneath another.

I want to have anything like my "folder tree". I don't use labels or albums.

Regards
Frank