I've done it, lads. Sure I'll have to start over from base Gen, but whatevs. The English patch I got even allows cross-play with the switch version as crazy as that sounds! :
Monster Hunter Double Cross 3DS - Full English Translation Patch - GameBrew
MHXX/MHGU - INDO] How to Crossplay Game Monster Hunter Nintendo 3DS & Switch with English Subtitles - YouTube
Monster Hunter XX & X set Nintendo 3DS Japan game Cartridge only | eBay
Games Review: Monster Hunter Generations Ultimate (Switch, 2018) will leave you felyne just fine - The AU Review
Monster Hunter 3 Ultimate | Monster Hunter Wiki | Fandom
English Monster Hunter 3 Ultimate screenshots released | RPG Site
Monster Hunter XX Nintendo Switch Ver. details Target Camera, Hunter Arts, and vibration changes - Gematsu
Monster Hunter™ Generations | Nintendo 3DS games | Games | Nintendo
Monster Hunter Generations Ultimate Up For Pre-Order On Amazon – NintendoSoup
MHXX Complete English Patch | GBAtemp.net - The Independent Video Game Community
Monster Hunter 3G English Manual at TGS - Feature - Nintendo World Report
Monster Hunter Generations Ultimate Review (Switch) | Nintendo Life
How Monster Hunter 3 Ultimate Wii U and 3DS work together | Eurogamer.net
3DS Monster Hunter Generations | PLAYe
Monster Hunter Double Cross 3DS - Full English Translation Patch - GameBrew