A free app for Android, by AppNana Rewards.

AppNana is a mobile app that allows you to earn gift cards by downloading free apps on your phone or tablet. It is an easy-to-use app that is fun to use.

The app provides a wide variety of different gift card categories, which you can earn by downloading various apps and collecting Nana points. You can also get 400 points every day just by opening the app daily. Exchange the points you earned for gift cards of your choice.

The important thing to remember here is to open the apps you downloaded to make sure you get the Nana points.