The best official way to play Pokémon Crystal because the save battery won't die and you can now transfer to a 3DS game for free, also restored Celebi and wireless battling :
Pokemon Crystal 3DS VC Part 1 THE NOSTALGIA AGAIN! Gameplay Walkthrough - YouTube
New Pokemon Pocket Monsters Crystal Download Card Special Edition 3DS | eBay
Pokémon Crystal hits 3DS eShop Jan. 26 - Polygon
Pokémon Crystal VC on Nintendo 3DS: Battling & Trading demonstration (patched) : r/3dshacks
Updated] What happened to Pokémon Crystal's eShop release? | PokéCommunity Daily
Unboxing] Pokémon Crystal boxed on Nintendo 3DS - YouTube
Purchase Bonuses - Celebi and 3DS Themes - Pokemon Gold, Silver and Crystal Wiki Guide - IGN
Pokémon Crystal 3DS Review - YouTube
Pokémon Crystal is here! | My Nintendo news | My Nintendo
Me and my wife recently moved house & found a sealed copy of Pokémon crystal that I brought in 2018. the box art is so cool to look at : r/3DS
Pokémon Crystal and multiple other Pokémon games reappear on the Nintendo 3DS eShop charts for the week ending August 15 | Pokémon Blog
Transfer Pokemon Gold/Silver/Crystal Saves to 3ds VC + Clock Fix! - YouTube
How to Catch Celebi in Pokémon Crystal | 3DS Virtual Console - YouTube
How to Get Pokemon Crystal on 3DS for Free - YouTube
Pokemon Crystal Coming to 3DS on January 26th - GameSpace.com