It comes with no need in pressing the key after each dealing, especially if you don't change total of the bet.
Live staff model brings in webcams and live streaming into the online game master. You set bets on each number, and await the outcome, which is near-instantaneous in online keno. https://www.theglobeandmail.com/investing/markets/markets-news/GlobePRWire/28704927/krikya-introduces-a-new-era-of-online-entertainment-with-diverse-gaming-options-in-bangladesh/