8. Wikitude AR Game
A nice touch in Watch Dogs wil be an AR minigame, which you can play on the in-game smartphone. It will involve shooting aliens on screen, which is a game almost identical to one accessable in the aforementioned Wikitude.
7. Shazam
Probably derived from the real life app in the first place, Watch Dogs will allow the player to discover what song is playing via his phone. A feature not included in the real life version is the ability to change hat is playing in cafes and radio stations by hacking them and replacing them with your songs of choice.