A new android app Locket was released on thursday,the 18th, that lets you cash in on your lock screen. Locket is an Android app that delivers ads on your lock screen and pays you just for unlocking your phone. 1 cent every time you unlock the screen with a limit of 3 per hour that adds up to 3 cents per hour or 36 cents per day. Locket also pays $1 per referral. You can cash in when your earnings reach $10.
Get locket app here : https://play.google.com/store/apps/details?id=com.locket.android
For more on locket check : www.getlocket.com