TouchPal is one of the most popular keyboard applications on Android and they are ready to bring the "first keyboard with gesture/sliding input" to iOS 8. It features next word prediction, autocorrect, and much more.
Yep, it’s real. TouchPal Keyboard is the first third-party keyboard on iOS 8 with sliding input, next word prediction and many other exciting features. As one of the most popular keyboard apps on Android (over 150 million users worldwide), TouchPal will now bring the best typing experience to iOS users. We have successfully run our keyboard on iOS 8, espeically with the exciting gesture input. Slide over letters for words, slide up for numbers and slide down for symbols.
TouchPal says they'll have a private beta (invite-only), which you can learn more about at the link below.
Check out the video below to see a demo...