Indie developer Dong Nguyen has achieved an App Store first -- he has three apps in Apple's Top Free Apps list including the viral hit Flappy Bird [Direct Link], the now #2 Super Ball Juggling [Direct Link] and the #8 Shuriken Block [Direct Link]. Dong is unable to explain his recent success, chalking it up to luck and not any particular effort on his part. As a result, it likely wasn't Dong's activity but the power of the social Internet that propelled his games to the uppe
