With Kii, I very often end up with skipped characters or it adding an extra g after a word, like "happeni g" or "happening g". Things like that.
With Smart Keyboard, it does not correct some typing errors. For example, I often hit o when going for i with the keyboard. So, I get "os" instead of "is" of "thos" instead of "this". I have entered those for now in AutoText for it to change those two, but, of course, there are surely other cases, and what happens if I need to say "I am using Windows 7 for my OS"?
As for TouchPal X... If I am remembering correctly, I didn't like the layout of the numbers. I have completely uninstalled it, though. So, I don't remember for sure. The others I keep installed hoping they will be updated and one of them become perfect.
EDIT: It won't let me reply in the thread...says limited to 3 replies. So, I am replying here.
I have indeed tried both of those, but they don't work through Remote Desktop. So, they're completely out. But, yes, definitely always on the look out and checking new options in Google Play that I stumble upon, etc.