"Can a game be art?" asks the App Store listing for Ozone. The answer, of course, is yes. But not as long as game makers consider Rococo filigree, overwrought ambience fit for a transcendental meditation class, and arbitrary barriers to fun as prerequisites for art. This is billed as an abstract platformer that asks you to think hard about your actions while you react and encourages you to absorb the pleasures of ornate audiovisual beauty while you play. That's a tall order for an iPhone game that the designers of Ozone just aren't equipped to fulfill.

Have you ever played a game where you took one look at it and thought, I could do better than that? In Sketch Nation Shooter, a wonderful new iPhone game from Engineous Games, you’ll get that chance. While there is a fully-playable game in here too, the real beauty of Sketch Nation Shooter is in its level editor, which allows you to use absolutely any image - from photos to sketches to simple stick drawings on paper - to make your own levels to play and share with friends.

In the fairy tale, the handsome prince wakes Sleeping Beauty with true love's kiss and everyone lives happily ever after, but as we learn in Dark Parables: Curse of Briar Rose, that's not quite what really happened.