Pokemon Omega Ruby 1.4 Citra [better]

If you want the full experience, also install the "Phoenix" DLC (which adds the Eon Ticket via a delivery girl in Pokémon Centers). The 1.4 update often prepares the game for this DLC.

After installing 1.4, the game still shows 1.0. Solution: The CIA region does not match the ROM. Use a tool like 3DS CIA Region Free or find the correct regional update.

Here’s a write-up for Pokémon Omega Ruby running on (the Nintendo 3DS emulator) with the 1.4 update :

Released on April 22, 2015, this update is mandatory for accessing any online components. Nintendo Support Online Access

Once finished, the game icon in your Citra library should display a small "v1.4" tag. Best Citra Settings for Omega Ruby