The Tamil Keyboard ?2? App is built to the users those who wish to chat in Tamil.
The app shows all the needed and frequently using characters in a single view and few rare using characters will come on long press key '??' in last row of keyboard.
The special character will also come in long in long press of '.,' and '!@' .
Single press '.,' will give will give '.' and double press give you ',' this same function will work on keys '??' and '!@' .
After installation, to try this Tamil Keyboard, follow below steps.
Settings -> Language & Input -> Current Keyboard -> Select Choose Another -> Select Tamil Keyboard ?2?.
Still not comes, cool and try below.
Now, long press space bar from soft keyboard before you start typing. From there again Select Tamil Keyboard ?2?.
To move again to native keyboard press on 'ALT' key. Now, select the keyboard from the list.
Enjoy with Tamil. Review to improve the app.