Crystal Pokémon Crystal to be released on 3DS Virtual Console

[Pokemon Trainer]

Pokémon Crystal has been confirmed for release on the Nintendo 3DS Virtual Console on January 26th, 2018.
Compatibility with Poké Transporter and Pokémon Bank will be added after the game launches.
A physical version will come in Europe on January 26th 2018 which contains the download code in a box, while in Japan a Physical edition is coming with a magnet based on its cartridge, stickers and a poster of all the Pokémon

In the Japanese version, when you defeat the Elite Four and go to the Pokémon Communication Center in Goldenrod City, you'll be gifted with the GS Ball. After that you will be able to encounter Celebi. It is currently unknow if this metod will be used for the American and European versions of the game.

Pokémon Crystal Shines on Virtual Console
The beloved Pokémon adventure arrives on Nintendo’s Virtual Console with modern-day enhancements.
Get ready to relive a classic Pokémon adventure as Pokémon Crystal makes its way to Nintendo eShop for the Nintendo 3DS family of systems on January 26, 2018. This is the definitive edition of the second generation of Pokémon titles (which also includes Pokémon Gold and Pokémon Silver), and fans will now be able to experience this journey through the Johto region with modern enhancements that make the game even better!

Pokémon devotees will certainly want to check out this game to experience the first appearance of innovations that continue to be a part of the series to this day, such as a female hero and a Battle Tower. Pokémon Gold, Pokémon Silver, and Pokémon Crystal also mark the debut of Dark- and Steel-type Pokémon, day/night cycles, and Pokémon Eggs.

As you're exploring, be sure to take advantage of updated features like wireless Pokémon battling and trading. Compatibility with Poké Transporter and Pokémon Bank will be added after the game launches, so it will be easy to get any Legendary Pokémon you catch in Pokémon Crystal into your copies of Pokémon Ultra Sun and Pokémon Ultra Moon.

Be sure to pick up your copy of Pokémon Crystal when it launches on Nintendo's Virtual Console on January 26, 2018!

Source: official website