Yes — on Google Play
R8 Companion has a Google Play listing.
App Store
On Google Play
Is R8 Companion on Android?
About R8 Companion
Now with CarPlay! The R8(w) Companion™ app leverages 5+ years of historical data in its acclaimed 'Advanced False Assist' filtering engine, detector optimizations and shared features from the Radar Companion™ series of apps. (Available separately for owners of the V1, R4, R9, & DS1 radar detectors). The filtering…
R8 Companion is listed on both the App Store and Google Play from Angela Mcarthur, so you can install it on Android phones and tablets. The Play Store listing shows 50,000+ installs.