"Proton Bus Simulator" is a legitimate mobile game available on the Google Play Store and other official app stores. However, versions labeled "Fase 3.1" (or "Phase 3.1") are not recognized as an official release by the developer, MEP. The latest official versions follow standard numbering (e.g., v1.x, v2.x).
Proton Bus Simulator Fase 3.1 is a simulation game that allows players to experience the thrill of driving a bus in a realistic and detailed environment. The game is a significant improvement over its predecessors, with enhanced graphics, new features, and a more realistic gameplay experience. With Proton Bus Simulator Fase 3.1, players can drive a variety of buses, including the popular Mercedes-Benz and Volvo models, through a fictional city with a realistic road network. proton bus simulator fase 3.1 download
Phase 3.1 is defined by its "technical refinement". The update introduces several critical improvements: "Proton Bus Simulator" is a legitimate mobile game
you should download this version, here are the key highlights of the Phase 3.1 milestone: Map Optimization: Proton Bus Simulator Fase 3
Look for the (often labeled as having no OBB file required).