Want to sign your documents using your iPhone? Well, there is now an app for that! iPhone is a highly capable device that can help you prepare all your documents, fill all sorts of forms and electronically mail them via the Mail app. But it doesn't allow you to endorse your signatures on them. Finally, Zosh has come to the rescue by introducing its new app for iPhone. With Zosh, you can take all those email forms, fill them in, and sign them right from your iPhone and send it back using email.