If the app crashes, please check the following.

 

◆Check the developer options setting (Android devices only) .
The app cannot be started when the developer options setting is turned ON.
Developer options can be found in the device's settings. 
You can also search for the developer options in your device's settings.
Note: Please note that the developer options setting will only be displayed as a search result if it is set to ON.
Note: Even if the developer options setting is turned ON, it may not be displayed as a search result for some devices.

 

◆Check if your device is rooted.
Even if you have not rooted your own device, there are instances where a device is originally rooted.
Note: We cannot provide any answers about the developer options setting and rooted devices. Please contact the manufacturer of your device for further help.