Sometimes you may get an unable to download error in Google Playstore, and this can be caused by various factors.
For me the reason I got that error was I was in a state or i.p. address that the app
google play
Fix “There are no Android phones associated with this account”
"You are trying to use the Google Play website before using the Google Play Store app on your device. It may take several minutes after using the Google Play Store app on your device for that phone or
Download Google Play Store App version 4.3.11
The Big Google is rolling out Google Play Store 4.3.11, and as the version number states, the updates are relatively incremental. Details and download information can be found below!
4.3.11 is a minor