Kaidan:Energy Stone app for iPhone and iPad
The story includes 6 scenes.
prologue: still time, 1: Wormhole 2: Dry Well 3: a world without color 4:In the mirror, ending: leave earth.
Every scene has a puzzle, players need to solve the puzzles and get the stones. Only all the energy stones are collected and put into the spaceship, can the alien go back to its own planet.