Use Checkpoint or JKSV to back up your save data before applying a major update.
The Switch version uses HD Rumble; pay attention to the vibration to gauge your jump power. Jump King Switch NSP (UPDATE) (eShop)
Always check for the "Legendary Update" (includes New Game+ and extra maps). Use Checkpoint or JKSV to back up your
Ensures your progress isn't corrupted when moving between firmware versions. ⚠️ Technical Requirements or Awoo Installer .
Use reliable installers like Tinfoil , DBI , or Awoo Installer .