Indeed, there is no aim in the Hustler mode while playing Virtual Pool 4 because that's a difficulty used by people that are very skillful. In this mode, the software tries to imitate real life handling and ball physics while removing the aim assist for the cue ball.
If you want to play with AIM enabled, you have to lower the difficulty or start a new game that supports this feature.
Indeed, there is no aim in the Hustler mode while playing Virtual Pool 4 because that's a difficulty used by people that are very skillful. In this mode, the software tries to imitate real life handling and ball physics while removing the aim assist for the cue ball.
If you want to play with AIM enabled, you have to lower the difficulty or start a new game that supports this feature.