The .xdelta file is a way to store rom hacks. It just works.
You need the original file and a Xdelta patcher. One xdelta patcher is https://www.marcrobledo.com/RomPatcher.js/.

There are two versions of the patch. I have no idea if this works with AP patches
or not, if you're alarmed, run an AP patcher after applying these patches.

The one titled "original 1.1 + jobs" requires an unmodified .NDS rom of Tomodachi Collection for the Nintendo DS that's currently worth 16 bucks on eBay. "Where can I get it?" Use a search engine or ChatGPT.
	It turns the japanese copy into jjjewel's patch with the job translations.

The "jjjewel's patch + jobs" is for users who already have jjjewel's 0.80 patch applied to a rom.