Star Trek: The Motion Picture
This is a classic spaceship shooter based on Star Trek: The Motion Picture.
If you're interested in pure Galaga nostalgia, Galaga for mobile is a perfect port.
Mobile Suit Gundam Seed
Engage in intense mech combat using the unique touchscreen display of the Nintendo DS system.
Cowboy Bebop: Tsuioku no Serenade
This action-adventure game is based on the popular anime series and will allow you to play as Spike, Jet, or Faye.
Puyo Puyo Tsuu
Connect falling puyos to clear them away and dump filler on your opponent's screen before your screen fills up.