Testing now. Looks like the games are separate apps which you link to your zbd profile via username Privacy policy not promising on the first game I downloaded though, as far as device/IP/etc data collection

Games you play to earn. Also a Nostr Social Client

the app is primarily a custodial wallet, the games listed use their api, just as fountain and a majority of paid relays use along with a suite of extensions (presumably build using that api) for creators and their communities to use lightning.