Where can I bring this thing?

Portable games should be portable. You have some headphones and a long bus ride, and you should be able to be entertained while still doing well in a game. Patapon is not portable. It is a delightful rhythm game with fun colors and a neat premise. Also, I vote that last sentence as having the corniest adjectives of all time.

Anyway. If you miss one button by a half second, you lose your combo and may lose the level. It's rather harsh to punish a player so severely for something that may be as trivial as driving over a speed bump. Also, if you don't have headphones, there is no way that the wimpy PSP speakers get loud enough to hear over the hustle and bustle around you. (And even if they could, would you even want the guy next to you hearing your "Pata-pata-pata-PON!"?) Patapon can only really be enjoyed like a home console game - at home, on your bed/couch, with no distractions. You will bob your head to the beat and immerse yourself in the 4 square-inch screen. But it's on the PSP - that's PlayStation Portable. And it's not. Epic fail!