Views on the usability of Japanese characters on iPhone 2.1: At Thir's notes, thir reports that while many have complained that the input of characters is too slow on iPhone, 2.1 firmware offers a great improvement [ja]. Blogger wa-ren at Cross the Chasm! [キャズムを超えろ！] approves of these improvements, but reports that they were expecting more from the new UI. wa-ren goes on to present diagrams of their ideal UI [ja], which integrates a slide format for entering characters.