go to the option, then you will see colors then jump on one to change color of your pants
Yes.
There's a snail and a hole in each level. Kick that snail into the hole. Then your pants will change into another color.
In Fancy Pants 2, the Pants have no power. They just look good on your character. Well, I don't have all the pants so I'm not an expert.
There will be a snail and a hole in each level. Kick that snail into that hole. You can identify it's a level or not. After you jump into the hole on the beginning, you would hear the music. And...