Rich Master-Cash King is an adventure game developed by JOYGAME STUDIO for Android users. The game is free and falls under the games category. The game is designed to help you become a rich master by building your own kingdom, spinning to collect loot and cards, and attacking your friends.

In Rich Master-Cash King, you can build and expand your kingdom by collecting cards, prizes, and treasure boxes. You can also attack your friends' kingdoms and take coins from them to build your own kingdom. To collect loot, you can spin the wheel and win prizes. The game also features hundreds of themed cards to collect, and the more kingdoms you build, the more cards you can collect.

Overall, Rich Master-Cash King is a fun game that allows you to build your own kingdom, collect loot, and attack your friends. The game is also social, as you can invite your friends to play and exchange cards with the online community to collect all bonus items. However, it's important to note that the game is for adults only and the wins and prizes in casino gambling games do not translate into real money and prizes in real life.