It’s your lucky day! Shamrock Shake is back, and now, finding one and sharing the love is easier than ever. With the official McDonald’s Shamrock Shake Finder app, you can find the Shamrock Shake at a participating McDonald’s near you while supplies last and share it with your friends—all without leaving Messages. Features: • Find the Shamrock Shake at a McDonald’s near you, wherever you are! • Get a hangout started with your friends and a shake by sending them turn-by-turn directions to McDonald’s. • Share your excitement with fresh new stickers. • iOS 11 users—Add stickers to your own photos with our built-in camera. Legal Stuff: Must be 13+. Data rates may apply. Prices and participation may vary. Shamrock Shake available only at participating restaurants for a limited time.