Today only (7/21), you can get the Swiftkey App for Android as a free download on the Amazon App Store.
Predicts your next word using TouchType’s Fluency Prediction Engine
Personalize your typing experience with Cloud-based personalization
Auto corrects sloppy texting so misspellings are a thing of the past
Supports 9 languages, multi-touch, and voice-to-text dictation
Simultaneously predicts in three languages