Ecovacs has two different Android apps - and they run different models. One is called "Ecovacs" and the other is "Ecovacs Home" If you search the Google Play store for just "Ecovacs," both will pop up. Which one do you need?
The app called "Ecovacs" will control your Deebot R95, 900, 901, 907, OZMO 930, OZMO 937, OZMO 610, N79, N79S, M80 Pro, M81Pro, M88, R95, Slim Neo, Slim 2, and Mini 2. Click here to get "Ecovacs" Android app.
The app called "Ecovacs Home" will control your DEEBOT 600 / 601. You can find the Ecovacs Home Android app here.