http://uk.ign.com/articles/2013/02/12/pokemon-tv-announced-for-iosA new Pokémon application is now available for iOS devices. Called Pokémon TV, the app is free of charge and allows users to watch more than 50 episodes from the animated series on the fly. The library is set to be updated every week to include even more content from the show's 15 seasons
Also From February 15-18, you will also be able to watch Pokémon the Movie: Kyurem vs. The Sword of Justice on the app.
Android too! https://play.google.com/store/apps/...ult#?t=W251bGwsMSwxLDEsImNvbS5wb2tlbW9udHYiXQ..