Both of these games are bundled with firmware 11.0 systems. It's still possible to downgrade 11.0+ systems by either Hardmod or Fieldrunners DSiware exploit. Yokai watch is for 2DS around Europe. Nintendo Handheld Console 2DS - Black/Blue with Yo-Kai Watch:Amazon.co.uk:PC & Video Games US Legit CIA of Yokai Watch will not work on EUR systems because it was the early Legit CIA to have tighter security and cannot be played through Hans (eg M&L Dream Team US Legit CIA on EUR 3DS is playable by using Hans). Super Mario World is from Amazom.com https://www.amazon.com/Nintendo-New-3DS-XL-Special-Exclusive/dp/B01LYUA6OS Don't forget that Pokėmon R/B/Y used US Legit CIA files to enable repair game features on eShop for both US and EUR systems. Super Mario World is US for both American and European new3DS systems. It won't work for JP systems as the rom used the JP version.