SAN FRANCISCO–(BUSINESS WIRE)– FitStar, a next-generation fitness company dedicated to blending the power of iPad and immersive health and fitness content, has released its first app, FitStar: Tony Gonzalez exclusively on the App Store. FitStar’s debut video-based fitness app features National Football League (NFL) superstar and future Hall-of-Famer Tony Gonzalez in an interactive and adaptive [...]