Since no official native app exists, the only way to play the actual Euro Truck Simulator 2 on a mobile device is through or Remote Streaming :
Some "ETS2 Mobile" apps are actually low-quality clones or older fan projects with broken features, such as distorted audio or unoptimized graphics. 3. How to Play ETS2 on Android Safely Euro Truck Simulator 2 Mod Apk Obb File Download For Android