Preheat oven to 400F degrees. Set aside two large baking sheets.
Cut the tortillas into even triangles and place in a large mixing bowl. Add melted butter and toss. Add 1/4 tsp cinnamon and ¼ cup sugar, tossing until evenly coated. (Use hands to rub the cinnamon and sugar evenly onto the chips)
Place pieces onto prepared baking sheets and bake 3 minutes per side, flipping halfway through.
Cut pineapple in half. Use a sharp knife to cut the edges and use a large spoon to hollow out both halves (rough cut is fine).
Remove spine from the flesh and then cut remaining meat into small cubes.
Wash and cut kiwi, strawberries and mango into same size cubes.
In a medium bowl, mix pineapple, kiwi, strawberry and mango cubes. Add 1 tsp sugar and fresh lemon juice. Mix gently using a wooden spoon.
Add fruit mix to pineapple halves. Serve with baked cinnamon sugar chips and enjoy!