Bingo may be homey. But it’s not immune to high-tech. Computer bingo parlors are opening in Largo, Palm Harbor and Sarasota. Bingoers say computers take the stress out of felt-pen-and-card bingo.

Both were originally granted to a company called Melange Computer Services, and sold to Planet Bingo in 2006. Planet Bingo sued Video King in 2012, and in 2013—a full year before the US ...