This does not turn your PC into an iPad. It is a rendering trick using a modified GameUserSettings.ini or Scalability.ini file.
A wider FOV can shift your on-screen buttons away from their touch-registered zones. To fix this, enter your in-game control customization settings, move your fire and aim buttons slightly outward, and save the layout. Pubg Lite 0.27.0 Ipad View Config File Download