Power Nova Keno Publisher: Grand Vision Gaming Genre: Casino Released: 15 Sep, 2012 Size: 11.9 MB Price: FREE! Click here to request a review of this app App Store Info Description Power Nova Keno is a Standard 80 spot Keno game with a 20 spot draw. A Power Nova will occur when a win occurs and the last drawn spot is a hit. Screenshots Screenshot 1 of 5