Use the arrow keys. Some stages are not done. MY FIRST PLATFORMER! THANK YOU FOR THE CODE NATTYB. Go see her Awespiring stuff at @NattyB IT IS NOT DONE!
I got the code from NattyB. Super easy to use... THX! Search "How to make a platformer" and it is the first one. It is a black ground with a orange square and a blue play button.