SlotMachine is a free slot machine app that has a spooky Halloween theme. It ranks first in the category of Halloween-themed slot machine apps, and you get a bonus of 2,000 credits just for downloading and playing the app. The graphics are amazing considering this is such a niche app, and you can win huge jackpots of up to 10,000 coins. The game features a haunted house, scary ghosts, and many jack-o-lanterns.

Even with the novelty of this slot machine game, it still pays out one of the highest ratios in the gaming industry. You can test your luck against the slots as if you were actually in Vegas playing in a casino. The maximum bet is 5 coins on each line that you play, and you can play up to nine of them at one time.

Unlike other themed games, this is one you'll want to play year round. It contains enough variety to keep you entertained, and since it doesn't use real money, it is legal and safe. You will need at least Android 3.0 for this software to work on your mobile device, but that isn't a problem for most smartphone users in the current modern world.