Pour Green Mint Syrup into the bottom of a tall glass, into a cocktail shaker add ice, Granny Smith apple syrup, lemon juice, apple-flavored vodka, and 3 1/2 of lemon-lime soda.

Stir vigorously with a long-handled bar spoon for 30 seconds.

Strain into a highball glass filled with ice, garnish with a sprig of fresh mint. 

Serve.