Vision is a New Super Mario Bros. U mod that adds a suite of debugging tools and viewers, to help make development of custom code easier.
Simply download the release and install it as a graphic pack on Cemu or a mod on console as instructed with Telkin.
Install Tachyon (requires Node.js v24+)
npm i -g --allow-remote=root https://github.com/Zenith-Team/Tachyon/releases/latest/download/tachyon.tgzBuild and run the project for your region (example with US)
tachyon pm install
tachyon compile US
tachyon launch US