The Android mobile operating system has an impressive set of keyboard shortcuts to help you fly through your phone without digging through the menus. A couple of quick key presses are all you need for most common tasks.
On a tablet, other than the screen, the next most used item is the keyboard.
See Best and FREE Keyboards Apps for Android Tablet below.
Hacker Keyboard mimics the physical keyboard so you don’t have to learn a new keyboard layout and get confuse over the position of each character. Hacker Keyboard supported 24 Language.
A full 5-row keyboard including arrow and Esc/Ctrl keys, intended for tablets. Are you missing the key layout you're used to from your computer? This keyboard has separate number keys, punctuation in the usual places, and arrow keys. It is based on the AOSP Gingerbread soft keyboard, so it supports multitouch for the modifier keys.
This keyboard is especially useful if you use ConnectBot for SSH access. It provides working Tab/Ctrl/Esc keys, and the arrow keys are essential for devices such as the Xoom tablet or Nexus S that don't have a trackball or D-Pad.
MultiLing keyboard is particularly useful for those whose native language is not English. This keyboard allows you to switch keyboard language with a quick swipe on the space key.
MultiLing Keyboard supports a lot of languages, but they are not installed by default. Once you have installed the main keyboard app, you have to go to the Market and download the plug-in for the language you want.
Best of all, you can configure the gestures and its respective actions.
The GO Dev team has to be the most prolific and popular dev team in the Android community, having released the popular GO Launcher and many other useful GO apps. The GO Keyboard is another of their great product.
The GO Keyboard is a hybrid of Swype and Hacker Keyboard. You can swipe to form word, or type one character at a time. It also comes with auto-correction, text prediction and support for multiple languages (dictionary has to be separately downloaded).
GO Keyboard is the best and the most popular keyboard on the android market！GO Keyboard can make your typing faster and smarter. It is a essential choice for android mobile.