As an avid user of a foldable, the main points for me are around the convenience and flexibility. I mean, it is literally a bigger screen, but carried around in my pocket. At all times. I don’t need to juggle account information and managing battery and storing/swapping between two devices if I want a screen that’s bigger than a usual phone for playing games on (RCT Classic, Baldur’s Gate, Bloons, Arknights, Crashlands, RuneScape… Lots of great games benefit from the better precision of playing on a bigger screen).
It’s great for reading manga, reading PDFs, watching videos, running two apps side by side (ticket on one side, team chat on the other), each with the normal screen real estate if a whole phone!
I adore the ability to pull out my phone and use it one handed like a normal phone, but then instantly switch to a much bigger, more comfortable canvas running the exact same instance of an app the moment I need to do something more involved than typing a few sentences or scrolling on Lemmy. If I realize I want to type with two hands, it’s so much faster and more comfortable on the inner screen thanks to the split keyboard.
Then it’s on top of all of that that with a flip out kickstand case on it I can carry around a pocket folding keyboard+trackpad in the other pocket and a decent pair of earbuds and then if I’m out and about I can comfortably use it like a mini laptop, writing code with Neovim via Termux or writing things down in my Obsidian vault, or even just chatting - All without it feeling like I’m squinting at a tiny phone screen.
To be fair … That could just be the autism though.