This keyword is very likely a custom-named Nintendo Switch firmware update (16.0.2) packaged as an NSP, with a builder’s internal version tag v2228224 , and flagged as a hotfix. Such files circulate on ROM forums and are installed via tools like Atmosphère or Tinfoil .
Compatibility and upgrade notes
Addressed specific instances of crashes occurring during planetary transitions and complex base rendering. Performance Optimization: update 1602 v2228224nsp hot
This is the most straightforward part. It indicates a software patch, a firmware revision, or a content add-on designed to modify an existing piece of software or operating system. Updates typically fix bugs, add features, or patch security vulnerabilities. This keyword is very likely a custom-named Nintendo