1) We don't know yet, I guess we'll find out in the next chapter (or possibly in the one after that)
2) We don't know yet, but he's more than likely going to train them; they've probably got some sort of powers that were awoken because they're close to Ichigo.
Did I miss something? Which ones of Ichigo's friends are we talking about? Like Tatsuki? Because as far as I know, Ishida, Chad, and Inoue are in Hueco Mundo. Do you mean Keigo and Mizuiro and such? But where has it been shown that Urahara is going to do something with them?