There is an outfit acquired from a lockbox named "Mr. Black" with a description of "Because you get to pick your own color." This is a reference to the movie Reservoir Dogs where the leader of the "Reservoir Dogs" named himself Mr. Black.
You will meet Tiffany Kim during the 'Bam Bam Club' mission. She works as a hostess at Club Bam Bam and usually sings karaoke with customers and invites special guests into the VIP section of the club. Complete the 'Bam Bam Club' mission to get her number, then call her in the afternoon or evening. Meet her at the Bam Bam Club and sing a song scoring 90% or higher to finish the mission and have unclaimed Jade Statues appear on the mini-map.
After the second popstar mission Amanda 'Amy' Cartwright will be outside your apartment. Amanda is an American hoping to become a writer and photographer. Take her on a brief tour of the city, visiting the Bam Bam Club and the Temple and ending at the martial arts dojo where you must do the training exercise to complete the mission. You can then call Amanda for a proper date where you must take photos of Amanda to complete the date. Unclaimed Health Shrines will now appear on the mini-map. For every five health shrines you collect your max hit points will be increased by 10%.
During the 'Listening In' mission you will meet Not Ping. She works at the local North Point electronics and hardware store, Ping PC. Not Ping is a pro in high-tech electronics and in hacking security systems. After the 'A Big Betrayal' mission she will call you and take you to an area to hack a camera. Hack the camera to complete the mission and have Spy Cameras appear on the mini-map.
While listening to the car radio you may hear a commercial for tourist spots such as the Three Kings Hotel and the Panau Falls Casino, both locations from Panau Island, the place where Just Cause 2 took place.