Well some ethereum games require MetaMask extension. Like this ether-quest.com. And in future will be more, gaming + crypto-money = eternal love. All DApps will use some form of MetaMask. What is true also is that you need to make the needed effort to split you crypto assets is multiple addresses which is a big headache for average users.

Anyway that fake MetaMask from com.digital.metamask is taked down already.