I downloaded google opinion rewards from play store.for earning play credits! I got a survey after installation.but after that I didnt recived any surveys about one month.this is totally a waste of time and waste of money.no surveys and its not helping for earning play credits .i uninstalled it .not a useful application for earning play credits.very hard functioneries.its a scam!
Google opinion rewards needs lots of improvements.concept is good.but , this is not a useful application .no surveys .am not recommanding!