Here, get some more -1) I don't have a shit on my Wii U, just pong.
https://gbatemp.net/threads/litenesu-16-in-1-emulator-and-source-code-5-5-x-firmware.418689/
https://gbatemp.net/threads/ast-u-roids-v2-0-elf-version-for-5-5-x-firmware-only.417826/
https://gbatemp.net/threads/u-paint-v2-0-homebrew-release.414918/
And then go out and buy some games from the store too.