Create Games in B+ and make REAL $$$

Of course you've to add an admnistrative screen, I tell you it's just my opinion (though I'm into that business as programmer) : try to avoid as more as possible the use of external files. Besides it's safer to let user change just the option he/she has to deal with. Or at least, let such option available to you alone. If not, you'll have a lot of users (i.e. owners of bingo halls or casinos who aren't expert computer people) complaining the program has changed the language and they can swore they didn't nothing wrong or pushed any wrong buttons.