I started the federated wiki project with workstations, laptops, tablets and phones in mind. For four years we have been writing to phone-width pages but still can't use them on touch devices with any fluency.
I use an original iPad, a recent iPhone, and an Android Nexus7 tablet. I might have one or two after market apps installed on each.
I'm excited to be Improving Touch.
I've written about Touch Support in the goals pod.