Coolplanes Passive Income is a free Android app developed by TBGame that allows users to earn money without even opening the app. The app is currently in the open testing stage, and some of its features are yet to be implemented. However, users can start using it right away.

The app's main feature is its ability to generate passive income for the users. It does not require any active involvement from the user, and the money earned is directly credited to their account. The app is designed to be user-friendly and easy to navigate.

Since the app is still in its testing phase, users are encouraged to provide feedback and suggestions for improvement. However, the app does not provide any contact information for the developer.

Overall, Coolplanes Passive Income is a promising app for those looking to earn money without putting in much effort.