The article linked doesn’t give a good recount of what transpired in the courtroom.
But the judge's questioning did reveal a disagreement over whether the agreement on the tax charges was linked to a gun charge against Biden. Prosecutors said it wasn't; Biden's team thought it was - and they repeatedly argued about it in open court.
Haven’t tried it, but I think it’s definitely a novelty. It’s way smaller than my Miyoo Mini and my hands get cramped trying to play games on it for 15+ minute sessions.