Sustitución de animatrónicos clásicos por versiones temáticas como Jack-O-Bonnie y Jack-O-Chica (que brillan con luz interior), además de la inclusión de Nightmarionne y Nightmare Balloon Boy .

| Problem | Solution | | :--- | :--- | | | Your Android version is too old. Try an older APK version (v1.0) or update your OS. | | Black screen after logo | The OBB file is in the wrong folder or corrupt. Re-download and verify the path. | | No sound / audio lag | Close background apps. Go to game settings → Reset Audio Cache. | | Touch controls unresponsive | Install an updated APK with multi-touch fixes. Disable gesture navigation temporarily. |

Go to your Android Settings > Security (or Apps) > Special App Access > Install Unknown Apps . Toggle the switch for your browser or file manager.

The official of Five Nights at Freddy's 4 was originally released as a free content add-on for the PC version on October 30, 2015. While the official mobile port available on Google Play includes some Halloween-themed content—such as cheats, challenges, and the Fun with Balloon Boy minigame—it does not include the separate "Halloween Edition" launch option found on PC.