Yeah, they don't. Sometimes something small was different in their world.

[Well, the hero being female and not male in Shijiro's case probably wasn't small, but it was only one change. As far as he knows.]

We didn't have anything like these where I come from. I guess they're little computers? We didn't really have computers either.

[Except in the last bunker and he never really interacted with them.]

You make it do things by touching the screen.

[He demonstrates by bringing up the network on his and scrolling a bit.]

If you want to reply to something or send a message you can do it in just voice, with pictures or in text. If you want to use text a, um, keyboard shows up on the screen.

[Was that a lot? He was pretty overwhelmed by all of this when he started, so he pauses for questions.]