I personally used mCent Browser for 15 Days and got rs 10 ?? . Things I noticed and personally I felt that its a totally waste of time.
Cons-
Default search engine is their own mCent search which never opens at first time force be to go to Google
If you use it once in a day then they give 700-800 points of one site and if you start browsing then they only give 80 points of one page visit
I also noticed mcent is copy of chrome in looks and bit modified
It lags a lot also opeing time is much more than any other even uc is fast opening than mcent
Website load time is also very annoying.From new update it crashes randomly
Conclusion- If you have requirement of rs 10 recharge it took me to 3 days to collect so go for chrome