Find extensions and themes in the Web Store.
Search for LastPass: Available for Android: Get it
“You don’t have any devices”
: This Google account is not yet associated with a device. Please access the Play Store app on your device before installing apps. (links to Google Play Help)
“Error: You haven’t accessed the Google Play Store app on your device with this email account”
I don’t have any devices which support Play Store.
I do use the Gmail app on iOS.