This has been a rough console generation for consumers, but we did receive a scrap of generosity in the form of free next-gen upgrades. This meant that, at long last, we didn't have to buy a game twice if we wanted to go from playing on PS4 to PS5, or Xbox One to Xbox Series X/S.
Nintendo has a version of this, although it's more convoluted and, in many cases, actually costs money, but it is there - we don't have to buy the full game all over again. That is, unless you're buying Dragon Quest 1 & 2 HD-2D Remake, because this will not give you any kind of free upgrade.
As explained on an FAQ page, Switch 2 owners will have to make sure they pick up the actual Switch 2 copy of the game, because next-gen features are only in those copies. Playing an original Switch copy of Dragon Quest 1 & 2 HD-2D Remake on the Switch 2 will still work, but it will play as it would on an original Switch.
The FAQ makes it clear that the Switch copy will play the same on either console, and takes...