3 tablespoons crystal decorating sugar or regular sugar
1 tablespoon cornstarch
8 canned lychees, drained and quartered lengthwise
8 large ripe strawberries, hulled and quartered
1 tablespoon ground cinnamon
Twelve 6-inch square spring roll wrappers
4 tablespoons unsalted butter, melted
Ice cream, your favorite flavor, for serving