For whom do they make android apps that, when opened, give only an "app failure" banner, "app stopped"?

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Accepted Answer

Not all applications are compatible with all phone models. The app can be too demanding in terms of resources, availability and naming. It is physically impossible for app authors to test their apps for compatibility with all possible phone models. So they test on what they have and upload it. When I was writing android apps for self-development purposes, I encountered such a problem, I received error reports and all I had to do was to declare the app incompatible with this model of phone.

For whom do they make android apps that, when opened, give only an "app failure" banner, "app stopped"?

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