i did not make the game but i was thinking to add the song!! Ok i will give a credits page thanks :D
If “Sky High” is a melody you can hear on the radio it’s most probably copyrighted. You’re not making money out of the game so nobody will make a big deal out of it, but you never know. One rule DOES say that you SHOULD AVOID adding material you don’t have the copyright to or are not given express permission to use.