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I use This one for that. It doesn't show several pictures simultaneously, but that wouldn't make sense on a 5 inch screen anyways. You can delete, sort, revert quite fast with it.
I use slide box ,its amazing the only problem that i have with this app is that it doesn't read photos from SD card but I get around it by moving the photos to internal and moving them back after they are organised
The best app on playstore to sort out Images from gallery using only gestures... but I think the dev has abandoned the project the last update was on 2016 no sdcard but still it works like a charm...
The only app I could think of that would be any help would be SlideBox, which is more of an organizer app for already taken pictures. It will create new folders and store the pictures in those folders as he selects them, but this requires him to switch between his camera app and SlideBox before moving to the next room.
Maybe this one could work. I think it suits your needs. Good luck!
Slidebox is what you're looking for, minus the "random", plus some other features.
Check out Slidebox
Yup, something like slidebox
How about this ?
I think the dev has abandoned the project or something.. Last updated was on 2016.. But still it works for me.
Dang, just saw that I forgot to add slidebox which might be my favourite. I’ll edit my post
Use this, bro