I'm on a bit of a Dragon Quest kick right now so I wouldn't mind, but VII seems like the absolute strangest choice to remake. It wasn't that long ago that the 3DS remake came out, which IMO was a fine remake all the way through (I'm ok with the shortened intro, having played through the first chunk of the PS1 original). I expect perhaps that version wouldn't hold up to modern scrutiny even on Switch/Steam Deck-style handhelds, but it feels like the effort would be better spent on getting a game like VIII which did feel compromised a slight bit in its 3DS iteration, or IX which has never seen a rerelease since the DS, a more proper remake?
VII is notably the only current missing game from the pre-IX offerings on mobile. I don't personally care for playing these games on mobile devices but I don't know how much of an impact that market has.