Search from Instagram/Twitter
If you're on instagram or twitter and see a picture with fashion items you like. Simply mention @lyk.dat (@lykdatapp on twitter) in the comment section and that's how you do a search! You'll get a response with the search result link and can shop without really having to switch apps. Please note that if you're on Instagram, you may first need to accept a message request.
Search by pasting image or image link
You may be browsing any website and come across an image you want to search with. You can do so without having to download the image or take a screenshot. Simple touch the image and hold for a few seconds to bring up the menu options and then you can copy the the image or its link. Go to lykdat.com and click on the paste icon to paste and search.