Rated 4 out of 5 stars

ತುಂಬಾ ಚೆನ್ನಾಗಿದೆ. ಧನ್ಯವಾದಗಳು.
(Very nice. Thanks.)

Is there a keyboard shortcut to select the language? Like CTRL+G does in Orkut scrapbook..?

Yes you can use Ctrl+G with this addon too.