Why? Not every Android device can run every app. Most apps should work fine. However, for example, you can’t just install Samsung’s App Store on any phone. It requires a Samsung phone.
I always make sure to set them up immediately on any new device, as they're crucial to my day-to-day life. Best of all, most of them are available on Android ... should install on your phone.
If you’re already on Android ... Pixel phones running DP2 will get a notification when Beta 1 is ready to install via an OTA update. Then you just tap to install like you would with any new ...