Typing Options for Smartphones

What typing options are available on smartphones? Differentiate between predictive text input and a swipe keyboard app.

Smartphones is an internet-capable mobile phone with an advanced operating system. It usually includes a calendar, an appointment book, an address book, a calculator, a media player, a GPS and other features like send and receive messages, conduct live video calls and it even function as a camera phone.  Most have a touchscreen. Some have a built-in mini keyboard or a keyboard that slides in and out from behind the phone.

A variety of typing options are  available on a smartphone.  Some phones use predictive text input, where you press one key on the keyboard or keypad for each letter in a word. Another option is the  swipe keyboard app, wherein the users enter words by tracing a path on an on-screen keyboard with their fingertip or stylus pen from one letter to the next in a continuous motion. An on-screen keyboard is use by pressing keys on the screen using a fingertip or a stylus. Another option is a virtual keyboard that projects an image of a keyboard on a flat surface.