In Pictures: 18 must-have Android productivity app...
Depending on your device, your default keyboard may be decent -- but there's a strong chance SwiftKey is better.
SwiftKey -- $3.99 for a phone version and $3.99 for a separate tablet version -- provides outstanding next-word prediction that's personalized based on your typing habits. The app also has an excellent swipe-to-type option that lets you input text by sliding your finger from one letter to the next without lifting.
All combined, it's a stellar keyboard that can boost productivity and transform your smartphone- or tablet-using experience.
In Pictures: 18 must-have Android productivity apps