Google Opinion Rewards - Answer quick surveys and earn Google Play credits with Google Opinion Rewards.
Verydice - Verydice is a casual application where you can roll the dice to win tickets and free real stuff without any effort.
Receipt Hog - A fun and rewarding way to turn everyday shopping receipts into cash.
FreeMyApps - FreeMyApps lets you get rewarded for watching cool videos, playing fun games, and trying new apps.
JunoWallet Earn Gift Cards NOW - JunoWallet is an exclusive application that allows you to earn rewards by playing games, making calls, watching videos, doing surveys, and inviting friends, etc.
CheckPoints - CheckPoints is a free application that rewards you by scanning the products such as Coca-Cola, Olay, and tons of others.