Pokémon Shuffle Version 1.1.8 is available for players of the game and the patch adds the Mega Blastoise Competitive Stage. The Mega Blastoise stage will be available to play between April 6th, 2015 until April 13th, 2015. Details of this event have been added to our Pokémon Shuffle Special Event page.


A competitive stage featuring Mega Blastoise is available for play and players can attempt it as many times as they wanted each day. Players are ranked based on their high score and the overall results of this competitive stage will be announced on April 13th, 2015 at 06:00 UTC. The top 10,000 players in Europe, the top 20,000 players in North America and top 50,000 players in Japan can earn a Blastoisinite.

Source: http://www.pokemon.co.jp/ex/poketoru/news/post.php/28/