The Coin Master game is a very popular game for Android and iOS phone users. In this post the phone requirement given in table to install and play Coin Master game.
Coin Master game Requirements for Android Phones
|4.4 (KitKat) and up
|Varies with device
Coin Master game Requirements for iPhone
|iOS 10.0 or later
More on this, with 2GB+ RAM, you will get smooth performance in game playing.
And, after installing the game, if you find any issue in playing, then you can try general troubleshooting things. These things given on game’s official support page – here.