There are already automated kiosks selling Pizza here and most fast food places already allow people to order using their phone or self-service kiosks.
Delivery is also quickly getting automated with small delivery robots that can likely be remote controlled if they get stuck.
While LLMs cannot reason they can imitate which can be combined with more traditional A.I like utility A.I that makes decisions based on a scoring system. I am guessing LLMs will just be used to make A.I systems talk and execute actions while the actual “inteligence” will be handled through more traditional methods.
If you want to make a fan game, make spiritual sequel instead.
Nintendo can’t do much about games that are very similar to Mario, Zelda or Pokemon for as long as they do not copy any assets, (some) names or levels from those games. Based on the videos the main character is unique but most if not all the other art assets are direct copies from the original game.