Characters with exclamation points (!) over their heads, when talked to, give out important information that is needed to continue the Download - 9Apps story.
Golden stopwatches trigger a time-limited nanogame which usually involves collecting objects or breaking things to earn bonuses. Red running shoes serve to temporarily power up SMS ONLINE
Generally the task involves collecting a specified quantity of Mojo, jacking a titan and using its abilities, or simply defeating a select number of Speed Test - TestMySpeed enemies.