1. Peel papayas, cut in half lengthwise, and discard seeds. Thinly slice papayas lengthwise and arrange on plates.
2. Peel kiwi fruit and thinly slice crosswise; arrange kiwi slices on papayas.
3. In a small bowl, mix lemon peel, lemon juice, honey, and ginger. Scoop ice cream into balls and place equally on fruit. Drizzle honey mixture over desserts. Garnish with mint sprigs.