Our Mobile App of the Day is Portals 2D for Windows Phone.

Can you think with portals? Open a gateway to a new and exciting type of game, this Portal-inspired platformer will test your portal-toting, cake loving avatar in a world where even your existence is tested. Beautiful HD graphics, wonderful sounds, ingenious gameplay, and silky smooth animations make this game a must have.

Now you're thinking with portals.

Update 1.2: Fixed some bugs, added robots, doors, buttons and grinders, improved graphics, added more levels, tweaked controls.