Pokémon Shuffle has recently been updated for both mobile and 3DS versions. Two new battles are now available, including one which will allow players to catch the legendary Pokémon Kyurem. The Kyurem stage will last until February 9th. [Thanks, Serebii.]
Additionally, Mega Sharpedo makes a return appearance and will be available until February 2nd. On the 3DS version of this stage, the top 50,000 in Japan, 20,000 in the US and 12,000 in Europe will receive a Sharpedonite. On the mobile versions of the game, the top 80,000 will be awarded the Sharpedonite.
Pokémon Shuffle is available for iOS, Android, and the Nintendo 3DS.