There, you can search for and see all apps, even if they aren't compatible with your device. Keep in mind that the above Play Store screenshot shows the web version. This can appear if, for example, the app was designed for tablets and you only have an Android phone. You'll see a message stating 'this app is not available for your device' or 'this app is not available for any of your devices' in this case. The most common explanation for why you can't download certain apps from Google Play is that the app's developers have marked it as 'incompatible' with your device.