Question: how to import dng presets to lightroom mobile?
Answer: Upload Unzipped Folder with .dng files to your Cloud storage (for example Dropbox)
Open Adobe Photoshop Lightroom for Mobile.
Click on the (...) Settings Button and choose Add Photos option.
Choose the location on your phone (for example Dropbox) where you downloaded and unzipped .dng files.
Double click on .