Yes — on Google Play
Rio de Janeiro Metro has a Google Play listing.
App Store
On Google Play
Is Rio de Janeiro Metro on Android?
About Rio de Janeiro Metro
Rio de Janeiro Metro ============== This app is for people who visit Rio de Janeiro and want to use subway for travel. With this program You can easily find stations. The app calculates the distances of each station from Your current position and shows them in a list and on map. ------------------------------------…