You are back home after a good trip to another country and cuisine and would like to make one of the dishes you ate there. How to do it with the local limitations of different ingredients?
An app where you can choose from many famous world dishes and based on your location, you will get a recipe suited to your local circumstances.
You want to know what are the seasonal produce that is best at a given time. Maybe you are on vacation and want to cook from the best local ingredients, or just want to know what is in-season for ordering in local restaurants.
An app that tells you based on your location and the time of year, what are the best in-season produce.
You are visiting a new place and would like to know what the locals buy at the grocery shop or restaurant.
Have the local shop, restaurant, etc. publish a list of items the locals like to buy. This will attract tourists to the local establishment that provide this and help tourists experience the real local feeling.