Ha, I appreciate the rating! Admittedly I rushed the "how to play" section a bit. The goal of each level is to "connect" the two tiles with lightbulbs on them. So if on the first level you place a block on the top left tile, then keep adding blocks that touch each-other until you reach the bottom left tile, you'll complete the level.
I'll probably have to add a better explanation to the game page description- regardless, thank you for playing!