Spirit HD (Android) app for $0.99

Take control of Spirit in an intense retro inspired arcade experience, reinvented for Android devices. Guide Spirit against many different enemy types, and distort space to force them into another dimension. Features a fluid, easy to play yet hard to master control system. Relative movement allows you to keep your finger out of the way of the action. Combine links and combos to build up huge scores. Fight your way through increasingly challenging waves, uniquely generated for each game.+