If you’re one of the many people who have deleted the Marco Polo app from your phone, there’s no need to worry. Here’s how to do it. To delete the Marco Polo app, first open the App Store on your device. Next, search for “Marco Polo” and tap on the result that appears. Once you’ve found the app, tap on its icon and then on “Delete.” If you want to keep any of your data from the app, be sure to back it up first. ..