Sometimes you will be asked to shower your opponent with a volley of ki blasts, which is done by thrusting your hands toward the screen repeatedly, much as if you were punching. (cheatcc.com)
But that doesn't seem to have happened, Goric ki says. (sciencemag.org)
While Android # 18 could be made to be much better at zoning with ki blasts and have a regenerative lifebar (Android # 18 Vs SSJ Vegeta) allowing them differences in attack and defense. (ShonenGameZ.com)