1. Combine 2 tablespoons juice and jalapeños in a small bowl.
2. Coat mango slices with cooking spray; sprinkle with salt, black pepper, and ground red pepper. Heat a grill pan over high heat until smoking hot. Coat pan with cooking spray. Add mango to pan. Cook, without moving, 4 minutes or until well marked. Turn and cook 2 minutes; place on a platter.
3. Combine remaining 1 tablespoon juice and crema in a small bowl, stirring with a whisk until smooth. Spoon jalapeños over mango. Drizzle with crema mixture; sprinkle with cilantro leaves.