HTML5 is currently hailed as the holy grail for mobile development. Inherently cross platform, open standards, widely supported: too good to be true? Unseen by the public the HTML5 hype leaves a trail of failed projects, delayed deadlines and missed functions. In this bert Virkus, Michaetalk we highlight some problems we encountered from real world projects and discuss if HTML5 is really ready for its prime time on mobile yet.