Cold Fruit Sushi with Honey Dipping Sauce

Name: Cold Fruit Sushi with Honey Dipping Sauce
Ingredients: For the fruit sushi:1 cup sushi rice (or sticky rice); 1 1/4 cups water; 1 tablespoon sugar; 1 tablespoon rice vinegar; 1/2 teaspoon salt; 1 ripe mango, peeled and sliced into thin strips; 1 kiwi, peeled and sliced into thin strips; 1/2 cup strawberries, hulled and sliced; 1/4 cup blueberries (optional); 1-2 sheets of nori (seaweed) for rolling (optional); For the honey dipping sauce:3 tablespoons honey; 1 tablespoon lemon juice; 1 teaspoon water (optional, to thin sauce); 1/4 teaspoon vanilla extract (optional)