In Android you could choose to install any keyboard you like. The current default keyboard with Lollipop is quit good. Still it cannot be as compared to SwiftKey yet. SwiftKey is quite easy to use and once you give access to your google account, it can learn from your writing pattern which gives excellent next word prediction. There are many other small features like Caps lock, themes, auto correction, Multilingual etc.
Give it a try you can download it by clicking here.