Oh wow, really? I didn't realise they didn't have the compatibility issues sorted yet. Sorry, I should have done a little more reading.
"Is CKEditor compatible with iPhone, Android and other mobile devices?
CKEditor has good iPhone compatibility with minor issues related to platform limitations.
CKEditor is currently disabled on Android devices due to irreparable compatibility issues. You can change settings to accept any mobile environment (at your own risk) by modifying the core/env.js file in CKEditor, but you will not get the same experience that you are getting on desktop environments.
We aim to have CKEditor work on Android and other mobile devices so if you are willing to use it, you will be most welcome to report any bugs that you find on our development site"