Last I saw, Kakert had posted a list where he was a top 10 player among an elite camp for kids his age. From my inexpert opinion after looking at fair amount of video, he seems like a really good ball handling point guard type, with less athleticism than PMac but more of a solid build with a really good looking 3 point shot. He seems like the best prospect of the 3, by far. He’s 6’8”, so he’s still growing into his body.
Jack is very skilled and have heard they expect him to be 6'10" + when he's done growing. I think you're going to see a Nikola Jokic type big man when he's done filling out. Can handle the ball and pass as well as has very good face up game with range.