Searching for unofficial downloads puts your mobile security at risk. Websites promising these files usually deliver dangerous software. Risks of Unofficial Downloads
The exact naming of the OBB file may vary, but the folder name must be exactly com.wb.goog.ArkhamCity .
I can provide specific instructions tailored to your hardware.
Downloading game files from third-party sources carries risks, including potential malware and compatibility issues. This guide is for educational purposes. If you enjoy the game, please support the developers by purchasing their official products on consoles or PC.
Because the game is abandonware, you must source the files from third-party APK repositories. Proceed at your own risk.
It has been removed from the Google Play Store and is considered "lost media".
If you are drafting a feature for a community or personal project, here is a breakdown of what a proper "feature" (or game overview) for this title would look like: Feature: Batman: Arkham City Lockdown (Android) Action / One-on-one Fighting Developer: NetherRealm Studios Platform: Android (Legacy), iOS 1. Cinematic One-on-One Combat