Nintendo Accidentally Reveals Switch Developer Menus

An unedited version of a new Nintendo Switch advert has revealed the upcoming console's developer menus - seemingly revealing that Switch devkits come with 64GB of internal storage.
Spotted by NeoGAF, the accidentally revealed commercial includes several cuts to a Switch in developer mode, rather than the gameplay footage added in later to other versions.
You can see a reupload of the unedited advert below, although it will likely be taken down soon:
The developer screens don't reveal too much,