We made the tough decision to only support newer devices. We know it's not going to work for everyone, but the reality is that HTML5 animations and touch intera

We made the tough decision to only support newer devices. We know it's not going to work for everyone, but the reality is that HTML5 animations and touch interactions don't feel good enough on old devices. We really wanted to make a framework that was looking towards the future, starting to take advantage of the increased power in newer devices. There are a lot of good solutions out there that have better older device compatibility, like jQuery Mobile, which are probably a better fit if you need to support them.