If your App does not work properly, please make sure that your phone meets the minimal requirements: Android 7 "Nougat", iOS 11.
Take note that if your Android phone does not have a Google Account set up, the app will not operate.
In addition, double check whether you have the newest version. If not, please go to either Google Play or App Store to update the App. If, however, the issue remains, please get in touch with our Support Team.
Also note that if your phone is jailbroken, the App will not function properly.