The Samsung Galaxy A9+ (assuming you mean Galaxy A9 (2018) or a similar model) does not come with Game Booster because it was released before Samsung introduced Game Booster/Game Launcher as a standard feature in One UI.
How to Get Game Booster on Your Galaxy A9+
Even if it's not built-in, you can try these methods to improve gaming performance:
1. Install Game Launcher (if missing) Go to Galaxy Store or Google Play Store and search for Samsung Game Launcher. Install it and open the app—it helps optimize gaming performance. 2. Use Game Plugins (Alternative to Game Booster) Download Game Plugins from the Galaxy Store. Inside Game Plugins, enable Game Booster Plus (if available) to optimize performance. 3. Use Third-Party Game Booster Apps
If Samsung’s official options don’t work, you can try apps like:
Game Booster 4x Faster GFX Tool Game Mode by BGNmobi
These apps help improve FPS and reduce lag.
4. Optimize Performance Manually Close Background Apps before gaming. Turn on Performance Mode: Settings > Device Care > Battery > Performance Mode > High Performance. Enable Developer Options & Reduce Animations (for smoother gameplay).
