He finally turns to look at her. Woah...okay. Terezi...? When did...? What.

Why didn't she just say hey? Or sup? They were friends right? Unless this is another alternate alternate alternate universe Terezi or something.

terezi?
sup
i didnt know you arrived
i mean soz
i should have been the first to know
got a little distracted
im a busy cool guy over up in this shit and all

He just holds the PDA out to her, not sure if she's gotten one yet.