A free program for Android, by Walon.

Make Money Cash – Earn Money O is a cash rewards app that lets you earn money and rewards by playing games, downloading apps, or completing simple tasks. With this app, you can earn cash rewards by playing free games, completing simple tasks, and downloading free apps. Once you have earned enough credits, you can redeem them for cash rewards through PayPal, Bitcoin, BitPay, Payoneer, or a variety of gift cards. This app is a perfect way to make extra money and gain rewards, so why not try it out?

You can also earn free rewards by downloading other free apps. All you have to do is complete the tasks that are assigned to you and you will be rewarded for your efforts. If you want to have a bit of fun while you are earning money, you can also play free games.