Once you have completed the Geo Police 3 download (a .zip or .exe file), follow these steps:

Instead of risking a random "geo police 3 download" link, try these safer approaches:

Players coordinate with a partner to apprehend criminals in various scenarios.

Using a file manager (e.g., ZArchiver), move the main.obb file to: Android/obb/com.geopolice.geopolice3/