The mobile app needs a new Switch Mode Menu for Stock Enquiry where you can search by partial description (similar to search for anything) and get suggested results as you type and allow you to either filter by customer or select all(if not sure) and have a Customer Stock Report format to know how much stock you have and where it is located.
Guest
+ scan location barcode to check what stock should be in that location
+ scan product barcode to check where all locations of that product are