This is very confusing. Your landing page is available in German, but the app is not available in Germany. Ratings in the Play Store are horrible, and support responds to bad reviews in the wrong language (English Review, Spanish response). The "download page" is 50% India and 50% all other countries. What is special about hello? After 2min on the website, I have no idea. And if I did not know orkut already, I would…
India probably dominates the downloads due to population differences.