Set to 3x Native (1200x720) or 4x Native (1600x960) for a crisp, high-definition look that bypasses the blurry screen limitations of the original 3DS hardware.
Citra will display a progress bar. Once completed, right-click Pokémon X in your game list and select to verify that the version number reads 1.5. Optimized Citra Settings for Pokémon X pokemon x version 15 citra link