I (Eeems) have been hard at work creating a mobile experience for OmnomIRC. iOmnom (http://omnimaga.org/iOmnom/) allows you to chat in almost real time with everybody using the normal OmnomIRC as well as everybody in #Omnimaga.
iOmnom uses the Sencha touch framework and therefore works on most smartphones today. iOmnom only works on Webkit based browsers (like Chrome and Safari) and therefore will only work on smartphones with a webkit based web browser. Sencha touch works on iDevices, Android and Blackberry devices with more to possibly come.
iOmnom is secure in the fact that you have to have a forum account to use it. If you are not registered it will redirect you to a login page which will then redirect you back to iOmnom. I am still not finished iOmnom so feel free to request changes in the appropriate thread here (http://ourl.ca/10679).
Have fun chatting!
(http://img.removedfromgame.com/imgs/IMG_0024.PNG)
(http://img.removedfromgame.com/imgs/IMG_0026.PNG)
EDIT:Support for the #omnimaga-fr channel has been added. Make sure to reset your settings before testing for the first time (found on the top right of the settings titlebar).
EDIT 2(Netham45):
I've written an ultra-light mobile client that will work on Opera Mini.
http://www.omnimaga.org/iOmnom_Mini/ (http://www.omnimaga.org/iOmnom_Mini/)