I can confirm the black/red screen issue also happens with both Ninjhax and TubeHax, so it's not just an issue with IronHax.
The .CIA version of the same build works fine.
Using the latest version from here https://www.dropbox.com/s/ms1kes4jhrb3meg/gameyob.zip?dl=0
The .CIA version of the same build works fine.
Using the latest version from here https://www.dropbox.com/s/ms1kes4jhrb3meg/gameyob.zip?dl=0