Yes — on Google Play
Amazon Alexa has a Google Play listing.
App Store
On Google Play
Is Amazon Alexa on Android?
About Amazon Alexa
Use the Amazon Alexa app to manage Alexa-enabled devices, control music playback, view shopping lists on the go, keep track of upcoming reminders, check on active timers and much more. When you enable hands-free with Alexa, you can talk to Alexa by simply saying “Alexa” when the app is on your screen. The more you…
Amazon Alexa is listed on both the App Store and Google Play from AMZN Mobile LLC, so you can install it on Android phones and tablets. The Play Store listing shows 1,000,000+ installs.