had it on my list, it's happening now, plugin AI to be your online buddy playing games with you: https://www.reddit.com/r/singularity/comments/1x5bcby/i_plugged_a_local_2b_decision_model_into_halo_ce/

soon you might have AI friends doing gaming with you, only issue might be the anti cheat detections, beside that AI could easily also talk with you, react on voice commands or do some tasks in the background while you enjoy such session.