Unless SNG-PT has improved its product over the last year, I would recommend SNG Wiz over it. SNG Wiz has more features and better features, and if memory serves right, costs less (also is free for the first 30 days).

No, neither provides live analysis. And no, you won't have enough time to do it if you're playing more than 2 tables. The purpose of the software is to get a strong grasp of the math involved through extensive practice before game, and review after game. After doing this for a few days, you'll begin to understand your shoving ranges against different calling ranges with different stacks. Then you keep reviewing your hand histories from the tournaments to see if you made any mistakes (+EV or -EV shoves).