Firstly, navigate to the official Google Play Store page of the product, make sure you're logged on Google account and check the message below the green Install/Installed button. It will tell you if the application is compatible or not with your device:
If it tells you that the software is compatible with your phone, I recommend you update the software to the latest version. If this doesn't help, try contacting the support team using
firstname.lastname@example.org email address.