Replying to https://twitter.com/RetroDogg0/status/1651896108568780802:

@RetroDogg0 It's been so long since I owned a Nomad, my memory on which of these will work is pretty rusty. General rule of thumb I remember is the more likely they though it was going to be a huge seller, the more likely they add a region-lock to the cart. So Sonic 2 ain't happening.