Oh I don’t know maybe you want to actually game portable and not just enjoy fake portability?
Maybe you just want to play your ps5 games next to your spouse while they watch TV.
That can be done easily and cheaply, with a smartphone and a telescopic controller for example.
So a smaller screen and to get a good controller that holds a phone, they’re $100, or you can get a crap controller for $50 or less.
Then are you going to be using you current phone that will have your gaming screwed up by calls and text messages? Or your old phone that you have to leave plugged in to use because the battery is shot? Also, how are you enjoying your audio lag because your phone doesn’t have a headphone jack?