Well this is why people look at frameworks such as phonegap and appcelarator and rhomobile. They theretically give you the best of both worlds. Theres issues

Well this is why people look at frameworks such as phonegap and appcelarator and rhomobile. They theretically give you the best of both worlds. Theres issues with them though including a lack of documentation for each of them. But as you say if you dont need to access the underlying hardware then theres almost no reason to not use html5.