Through it you can develop the ability to respond to high speeds and accurately on the chords of any progression or Jazz Standard.
Your brain will be stimulated to respond with speed to any harmonic situation (you would be playing the essence of composition of all Jazz Standards that exist).
Visual and verbal familiarization of chords in different environment or random allows to gain advantage when making decisions while improvising, allowing the improviser musician to focus on time and expression.
Without a doubt, the best virtual improvisation coach in his class.