I must say, Kii is now beating the thumbs off of everyone else. They responded quickly to user feedback and now allow flexible side padding of the keyboard so that I can get the whole keyboard to sit comfortably within the reach of one thumb. I'm now swipe-typing one-handed. Who'd have thought we'd ever be able to do that?
Galaxy S 4 I9500 (WanamLite 2.0 ROM (Android 4.2.2, Adam 2.2 kernel), PhilZ Touch CWM 126.96.36.199)
Galaxy Note 2 N7100 (CM 10.2 ROM (Android 4.3.1), PhilZ CWM Touch 188.8.131.52)
past: Galaxy 7.7, Galaxy Note 1, Galaxy S 3, Galaxy S 2, iPhone 3GS, Motorola Milestone