There are quite a few "sandbox" games available on iOS, including the uber popular Minecraft, and Majic Jungle's great Blockheads. But my favorite so far is Junk Jack, a 2D sandbox title put together by Pixbits. It's excellent -- its little square tiles are perfect for the iPhone's interface, and almost everything you can craft in the game is useful and interesting. There has been murmuring that Pixbits was going to create a "Junk Jack 2" release soon, but instead, the company has annou
