Yes — on Google Play
Messages has a Google Play listing.
App Store
On Google Play
Is Messages on Android?
About Messages
Stay connected to the people and conversations that matter most. Send unlimited texts, photos, videos, documents, and more to any iOS, iPadOS, macOS, watchOS, or visionOS device with iMessage, or use it to send RCS, SMS, and MMS messages. Features • Send texts, photos, videos, audio messages, documents, stickers, …
Messages is listed on both the App Store and Google Play from Apple, so you can install it on Android phones and tablets. The Play Store listing shows 100,000+ installs.