Judging only on the trailer, I'd expect this to be about $5. But I'm just guessing without playing the game of course... it looks like the game would only provide a couple hours of gameplay at most. If there were more levels with a larger variety of styles, and some different abilities to choose from or gain later other than just Teleport attack, then it could potentially sell for $10.
It does look attractive! However the name is a bit of a mouthful :)