Over 38 additional costumes, allowing you to dress your favorite characters in outfits from various DLC packs.
When you purchase a game like "Naruto Shippuden: Ultimate Ninja Storm 3 Full Burst" from the eShop, your Switch downloads a specially encrypted NSP file. This file contains the entire game data and is locked to your specific console and Nintendo Account. The console's firmware can read and install this encrypted package, making the game playable. So, the term "NSP" is simply the technical name for the official digital game file.