look at auto runner capx you will find solution
i have used the auto runner capx code to make my game and modification it to my own game.
you could look the auto runner capx, focus on blue tiled background. is it running smooth?
hm, for information..
my laptop spec is:
intelCore i3
RAM 2GB
Graphic card : intel HD graphic 3000
that is influence the construct 2 app?