In some cases, you may get an error message when installing Zappiti apps. To fix this issue, please follow this process :
Open "MY APPS" on the homepage, then launch "Service" app in this apps list.
Accept the update, and relaunch Zappiti Service if needed.
Warning : If you can see a loading bar at the bottom of the screen, please wait until it disappears. It means that Zappiti Service is updating an application.
Here is the window that shows all Zappiti apps, their version currently installed on your player and the last existing version for each one.