Amazon has a free Halloween App Today that you can download for your Android, for FREE!. It's a piano app that has spooky sounds such as: Crow, Witch, Zombie, Bell, Coffin, etc.
There is also a Pro Version which contains over 30 instruments such as: Chains, Electricity, Old Clock, Cricket, Chime, etc.
The game is also preloaded with over 10 songs
Head over to Amazon and get your free App today!