Essentially, you have to solve a maze. The maze has boxlike rooms and pressure pads that toggle the states of doors, red and blue accordingly. Your human hero has to rescue the human heroine.
Well, I checked it out in the App Store (but didn't download it as there was no available wifi at the time), and it looks pretty cool. I'll gave to download it tomorrow.
Not, not in the least. You have three worlds now: Wood house, stone cabin, marble cave. Each introduces a new aspect of the game. There is no map, or any other relation to SR for that matter.