To apply this update to your console, users typically utilize custom homebrew tools. Nintendo Switch NSP Files, ROM's & Games Free ... - Ziperto

: .nsp (Nintendo Submission Package), which is the standard file format for Switch digital games and updates.

While the specific file name appears to be a direct reference to a downloadable archive for a Nintendo Switch update, Understanding the Update: RISE: Race The Future

The "rrtf" in your query likely refers to , an arcade-style rally racing game known for its unique "precision drifting" mechanics and futuristic wheel technology that allows for racing across multiple terrains, including water. Platform : Nintendo Switch (indicated by "nswtch").