Feature Request: Slide and Drag to select images in multiple mode

[tbozhikov]

Mimick the native Photos Album, that allows you to slide across the images and drag the screen down to select multiple images on a drag rather than having to individually select all of them.

[amitmas]

This is a great feature, really required for our use case.
Most of the times users needs to select a lot of images and it is quite exhausting to select each one by one.
Our android users have this feature long time ago, but our IOS users gets poor user experience lacking this feature.