FeedFactoryPro supports moBlog - posts written in a mobile or portable device (such as a PDA or a cell phone), and sent using normal e-mail, or some software that uses XML-RPC protocol. moBlogging could be called the ultimate blogging experience, giving you the ability for write to your blog almost everywhere in the world.  The easiest way to do moBlogging is send e-mails. Right now, almost all the mobile phones can send a e-mail (having that option as part of the phone, or using a service from your mobile operator). XML-RPC clients are also supported.

In Blog by Email article, you can learn about how to set up this.