Raiden Legacy is a collection with Raiden, Raiden Fighters, Raiden Fighters 2, and Raiden Fighters Jet. Originally released for smartphones and PC, DotEmu ported Raiden Legacy to Ouya so you can play the four arcade games on your TV.
The games are vertical shooters and you can them either in fullscreen or in their original resolution. Raiden Legacy also has an autofire option and two difficulty levels. Raiden Legacy costs $3.99 on Ouya.