I really like Letterspace! How about android app?
I only tried the Mac version and personally, I think the white spaces are just too excessive. Perhaps the iOS version is much better in terms of white spaces use. I'm not sure.
Nice site, typo on the second sentence though: "Good not taking is based..."
I buy that the moment it's released on Windows!
Love the concept!
(PS your mac background image doesn't cover the screen for viewports over 900px tall. http://cl.ly/image/3Q1k3138233W)
Being able to scroll horizontally through text is be a much needed addition.
Way to rip React's logo.
It's the exact same. http://facebook.github.io/react/index.html