Unfortunately myapp stopped

Hello,
I have developed an application which is working fine on 5-6 mobile device and tablet i have tested. But it gives error unfortunately myapp stopped on my client's device. Their device is a wifi only tab . I am not getting the reason why its not working there. Is it because of compatibility problem? Searched a lot on google but not getting any specific solution. If someone knows the reason and solution of this error, please help me to fix it.
Thanks in advance.

If an app is forcibly stopped there will be an exception in the logcat output. Get that exception, and you're on your way to solving the problem.

Thanks Ulf Dittmer for replying. But if there is an uncaught exception in my app, it should be everywhere not only in one device. And how can i tell my client to give me logs as it doesn't crashes on my side.

But if there is an uncaught exception in my app, it should be everywhere not only in one device.

You would hope so. but in practice that turns out not to be the case. If the app crashes there *will* be something in the logcat.

And how can i tell my client to give me logs as it doesn't crashes on my side.

Talk to him/her? Or, if the app is distributed via the Google Play Store, you would find it in your developer account there.

Thanks Ulf Dittmer. I'll check it with him.