Simulates a Shawzin from Warframe, a video game by Digital Extremes. If you want to train your Shawzin skills but don't have the full game at hand, use this.
Press 1, 2, 3 to play the raw strings. Hold Left, Down, or Right when playing a string for higher notes. Hold space for Whammy to play a semitone deeper (sounds for B3 are currently missing). Press tab to change the scale. Press A to change the instrument.