 The Wii system supports wireless connectivity with the Nintendo DS without any additional accessories . This connectivity allows the player to use the Nintendo DS microphone and touchscreen as inputs for Wii games . The first game utilizing Nintendo DS @-@ Wii connectivity is Pokémon Battle Revolution . Players with either the Pokémon Diamond or Pearl Nintendo DS games are able to play battles using the Nintendo DS as a controller . Final Fantasy Crystal Chronicles : Echoes of Time , released on both Nintendo DS and Wii , features connectivity in which both games can advance simultaneously . Nintendo later released the Nintendo Channel , which allows Wii owners to download game demos or additional data to their Nintendo DS in a process similar to that of a DS Download Station . The console is also able to expand Nintendo DS games . 
