QUESTION: Fix punctuation: Unsure about which type of XEP file you have Do you want to know exactly what it is who created it and how to open it
ANS: Unsure about which type of XEP file you have? Do you want to know exactly what it is, who created it, and how to open it?

QUESTION: Fix punctuation: A soon as you connect it to your computer select the option Mass storage from it
ANS: A soon as you connect it to your computer, select the option "Mass storage" from it

QUESTION: Fix punctuation: When they wake up do they fix the bug and miss their talk or go onto the stage Like I said comical mischief
ANS: When they wake up, do they fix the bug and miss their talk or go onto the stage? Like I said, comical mischief.

QUESTION: Fix punctuation: Online Games parkour games flash game about parkour
ANS:
Online Games: parkour games, flash game about parkour