How to change the username of your twitter account..?

1. Login into your twitter account
2. goto -> settings(on top near to search, in the drop down last but first option, just before sign out) -> account(on leftside menu first option)
3. You can see your full account details like username, time zone, mailid etc.. In username textbox type your new desired username and wait for twitter's response regarding the availability of that username.  Try with some modification in the username until you get username available message.  Once you got go to the bottom of the page and save changes. 
Thats all now your username is changed to new one as you entered.


Note: 
1. Details are based on the look of twitter in desktop/laptop web browser not from mobile browser.
2. Once your username is changed you should use that new username while signin into your twitter account.

How to view tamil(or any regional language) websites, blogspots in android phones without installing fonts?

1. Install opera mini from google play
2. Launch the opera mini browser in your mobile
3. In the address bar type "opera:config" [without quotes]
4. Scroll to the end of the page & search for "use bitmap font for complex scripts" and enable(yes) it.

Thats all... :) now open any tamil web page that will be looks properly.

Note:
1. Remember with this method you can only view the web pages in tamil(or any other language) and you can't write.  But one is not needed to install any fonts.
2. With this method, actually the browser shows the full web page as a bitmap image.  So, regardless of language all the webpages will be rendered properly.