Creaky Hinge now has scenes. Tap Scenes beside the Sound toggle and swipe through five: the wooden door, a treasure chest on a moonlit beach, a flip lighter on a walnut desk, a spellbook floating among the stars and an accordion. Each opens with your iPhone Duo's hinge and has its own recordings and its own choice in the settings menu: Shine for the chest, Flame for the lighter, Pages for the spellbook and Chords for the accordion. On an iPhone without a hinge you move them with your finger, as with the door, and the app remembers the scene you last picked.

Creaky Hinge is built for iPhone Duo: it turns the phone's hinge into the hinge of whatever is on screen. Pick one of five scenes, then open or close the phone. An old door swings, a treasure chest lifts its lid, a flip lighter catches, a spellbook opens its cover, an accordion draws its bellows, and each answers the fold with its own recordings. Every scene is drawn around the fold. The door, the spellbook and the accordion turn on the same line the phone bends on; the chest and the lighter…