Not 'guitar tabs', You can learn finger board position correspond to score.
Application has no music pieces, only show score randomly.
You read score, and push finger position.
Application can show sound name hint (like E,F,..etc) on finger board.
Application can show left-hand guitar's finger board.
Application has three instruments. guitar,piano, and base.
Application shows till 12 frets.
Requirements: iOS 4.2 or...