ReadManiac - Bookreader for mobile phones

http://www.deep-shadows.com/hax/ReadManiac/

While I'm on the topic, I'll mention this free Java application too. It's a bookreader that can read files stored anywhere on your cellphone's memory stick as well as having the capability to make dedicated readers for particular eBooks downloaded from the network.

Wattpad - read and share your stories on your mobile phone

http://www.wattpad.com/

Another great freeware application for Java enabled mobile phones. It's not just for sharing personal stories. Already most of the public domain texts from Project Gutenberg have been uploaded. You can download these for reading on your cellphone.

I've recently uploaded three books by Rev. William Haslam (1818-1905).