If you are looking for official Attack on Titan experiences built natively for mobile (APK), consider these titles:
If you are searching for Attack on Titan: Humanity in Chains Attack On Titan Humanity In Chains Download Apk For Android
Since this game was developed for 3DS, you will need a 3DS emulator app to run the ROM file (game file) on Android. Prerequisites Android device (Mid-to-High end recommended) 3DS Emulator (e.g., Citra or newer forks like Azahar) ROM file (Decrypted Step-by-Step Installation Download and Install an Emulator: If you are looking for official Attack on
But the truth is harsh: