I used to use the "swiftkey" app for writing, and was very pleased with the suggestions they generated. I have now changed to 8pen "keyboard" instead I'm very pleased but miss the good autocompletes, is there someway to improve the autocompletes without using swiftkey? Changing suggestion engine, importing language from facebook etc. My phone is rooted
Swiftkey have an article on this although it's a little vague, it's seems more like they are describing how to use entirely different keyboards here:
I want to use a different keyboard, how do I switch?
Press and hold in any text field to bring up the pop-up text menu and choose Input Method. Here you can choose other keyboard types, including the default Android Keyboard.
On devices running Android 4.0 and later, whenever the keyboard is on screen you should see a notification in the notification bar that will take you to the input method selection screen when clicked.