If you start downloading the app, a spinner is displayed. While the app is "downloading", you can click "remove from cache", this allows to start downloading the app again. But then the button becomes green because actually the app was sill downloading.
If you start downloading the app, a spinner is displayed. While the app is "downloading", you can click "remove from cache", this allows to start downloading the app again. But then the button becomes green because actually the app was sill downloading.