Coin Master is an online game available for Android devices. The game starts by giving you access to a wheel that gives you coins and various other prizes. Those coins allow you to build up villages to raid other AI and human players looking to have a larger village than you. Over time, you'll be able to advance the technology your village produces which means that you can face new enemies or get back those that won against you in the past. If you're looking to enjoy Coin Master with your friends, you can connect the game to your Facebook account to team up and send your friends rewards. The only significant downside to the game is that it can be a bit repetitive for those that don't enjoy grinding in videogames.