Yes — on Google Play
Roblox has a Google Play listing.
App Store
On Google Play
Is Roblox on Android?
About Roblox
ROBLOX – GREAT GAMES ACROSS EVERY GENRE. The range of games on Roblox is unmatched. Relax with cooking, building and simulator games, or jump into racing, shooter battles, and intense survival games. Explore epic RPG adventures, build empires in tycoon games, compete in sports games, or dive into horror, anime, and…
Roblox is listed on both the App Store and Google Play from Roblox Corporation, so you can install it on Android phones and tablets. The Play Store listing shows 1,000,000,000+ installs.