Cut the Rope, a popular iPhone/Android game isn't available just yet for windows phone, it will be soon, but for now we have to make do with Spider Jack!
Using similar game play seen in "cut the rope", all you have to do here is help Jack get his dinner (Fried Fly) by swinging around on anchors and timing your jumps, oh and make sure you get the stars too
its a really addictive strategic puzzle game.
See it here:
You can buy it from the Marketplace for $2.99 or try it for free and see if you like it