Preheat oven to 450 degrees.
In a small saucepan, whisk together soy sauce, honey, jalapeno, garlic, lime juice, and black pepper. Bring to a boil and cook until reduced by half, about 5 minutes. Pour in corn starch slurry and whisk an additional 2-3 minutes until thickened. Remove from heat and set aside.
Pat the shrimp dry. On a baking sheet, toss with 1 tbsp olive oil, chili powder, oregano, paprika, salt, and pepper. Roast for 6 minutes until opaque.
Pour half of the sticky honey sauce over the shrimp and toss to coat. Turn broiler to high and cook an additional 1-2 minutes until slightly crisped.
Make the mango crema. In the bowl of a food processor, combine mango, Greek yogurt, cilantro, lime juice, and salt. Puree until very smooth.
Warm tortillas in the microwave under damp paper towels for 20 seconds. To assemble, spread sour cream or Greek yogurt on the bottom of a tortilla and top with a handful of arugula or lettuce. Arrange shrimp and drizzle first with remaining sticky honey sauce, then mango crema. Squeeze additional lime juice overtop, as desired.