Using the onscreen keyboard
You can type text using the onscreen keyboard. In most apps, the onscreen keyboard appears automatically when needed. In other apps, you can touch where you need to type to open the onscreen keyboard.
Touch for tab
Touch to turn caps lock ON, Fixed ON, or OFF. When ON, the alphabet keys are shown in capital letters
Touch and hold to show input 
methods and keyboard settings
Touch for back space
Touch to use Google’s
Touch to toggle between numeric pad with special characters and QWERTY keyboard
While typing on the onscreen keyboard, the keyboard displays suggestions that may match the text that you need. Touch a suggestion to use it.
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