How do you expecet them to know all the apps installed on your phone? And if they DID know this information, people would be up in arms about privacy or lack there-of.
It's google. They know that you downloaded the app from the Play Store and used the app to connect to their servers directly. They already have plenty of information.
Yes, showing you an advertisement for an app you've already installed is bad UI/UX, regardless of the reason why. On the publisher side, it's also a wasted ad impression.
I don't expect them to know all the apps installed on my phone, nor do I think they need that much information to solve this particular problem.
How do you expecet them to know all the apps installed on your phone? And if they DID know this information, people would be up in arms about privacy or lack there-of.