Here is a list of the Pokémon games for Wii U in order of their release.
Super Smash Bros. - Wii Shop Channel (January 21, 1999)
Pokémon Snap - Wii Shop Channel (June 30, 1999)
Pokémon Puzzle League - Wii Shop Channel (September 25, 2000)
Pokémon Rumble U (August 29, 2013)
Super Smash Bros. for Wii U (December 23, 2014)