Yes — on Google Play
Signal - Private Messenger has a Google Play listing.
App Store
On Google Play
Is Signal - Private Messenger on Android?
About Signal - Private Messenger
Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your communication completely private. • Send texts, voice messages, photos, videos, GIFs, and files for free. Signal uses your phone’s data connection, so you avoid SMS and MMS fees. • …