the game launcher is an overview of all installed games on the LG device. besides listing all games, the launcher offers other useful features such as disabling notifications. by default, the game launcher is enabled on the LG device, but can also be disabled.

Android 9 | LG UX 9.0
Step 1:  Open the  Settings
Step 2:  Tap on  General
Step 3:  Tap on  Gaming
Step 4:  Enable or Disable  Game Launcher
  1. Open the Settings
  2. Tap on General
  3. Tap on Gaming
  4. Enable or Disable Game Launcher

LG Instructions